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Finding the Fourth Proportional to 5,602,976.80, 8,404,465.20 and 5,271,200.80

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Solution

The fourth proportional to 5,602,976.80, 8,404,465.20 and 5,271,200.80 is: 7,906,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,976.80 : 8,404,465.20 = 5,271,200.80 : x
  2. Step 2: Convert to fraction form
    5,602,976.80/8,404,465.20 = 5,271,200.80/x
  3. Step 3: Cross multiply
    5,602,976.80x = 8,404,465.20 × 5,271,200.80
  4. Step 4: Simplify right side
    5,602,976.80x = 44,301,623,685,812.16
  5. Step 5: Solve for x
    x = 44,301,623,685,812.16/5,602,976.80
  6. Step 6: Final answer
    x = 7,906,801.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.