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Finding the Fourth Proportional to 5,802.80, 8,725.80 and 4,852.40

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Solution

The fourth proportional to 5,802.80, 8,725.80 and 4,852.40 is: 7,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.80 : 8,725.80 = 4,852.40 : x
  2. Step 2: Convert to fraction form
    5,802.80/8,725.80 = 4,852.40/x
  3. Step 3: Cross multiply
    5,802.80x = 8,725.80 × 4,852.40
  4. Step 4: Simplify right side
    5,802.80x = 42,341,071.92
  5. Step 5: Solve for x
    x = 42,341,071.92/5,802.80
  6. Step 6: Final answer
    x = 7,296.66

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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.