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Finding the Fourth Proportional to 71,365.62, 98,480.30 and 39,532.22

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Solution

The fourth proportional to 71,365.62, 98,480.30 and 39,532.22 is: 54,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.62 : 98,480.30 = 39,532.22 : x
  2. Step 2: Convert to fraction form
    71,365.62/98,480.30 = 39,532.22/x
  3. Step 3: Cross multiply
    71,365.62x = 98,480.30 × 39,532.22
  4. Step 4: Simplify right side
    71,365.62x = 3,893,144,195.20
  5. Step 5: Solve for x
    x = 3,893,144,195.20/71,365.62
  6. Step 6: Final answer
    x = 54,552.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.