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Finding the Fourth Proportional to 45,477.60, 68,200.20 and 15,896.40

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Solution

The fourth proportional to 45,477.60, 68,200.20 and 15,896.40 is: 23,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.60 : 68,200.20 = 15,896.40 : x
  2. Step 2: Convert to fraction form
    45,477.60/68,200.20 = 15,896.40/x
  3. Step 3: Cross multiply
    45,477.60x = 68,200.20 × 15,896.40
  4. Step 4: Simplify right side
    45,477.60x = 1,084,137,659.28
  5. Step 5: Solve for x
    x = 1,084,137,659.28/45,477.60
  6. Step 6: Final answer
    x = 23,838.94

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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.