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Finding the Fourth Proportional to 71,051.92, 98,052.33 and 39,220.14

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Solution

The fourth proportional to 71,051.92, 98,052.33 and 39,220.14 is: 54,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,051.92 : 98,052.33 = 39,220.14 : x
  2. Step 2: Convert to fraction form
    71,051.92/98,052.33 = 39,220.14/x
  3. Step 3: Cross multiply
    71,051.92x = 98,052.33 × 39,220.14
  4. Step 4: Simplify right side
    71,051.92x = 3,845,626,109.93
  5. Step 5: Solve for x
    x = 3,845,626,109.93/71,051.92
  6. Step 6: Final answer
    x = 54,124.17

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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.