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Finding the Fourth Proportional to 71,553.67, 98,751.93 and 40,929.59

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Solution

The fourth proportional to 71,553.67, 98,751.93 and 40,929.59 is: 56,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,553.67 : 98,751.93 = 40,929.59 : x
  2. Step 2: Convert to fraction form
    71,553.67/98,751.93 = 40,929.59/x
  3. Step 3: Cross multiply
    71,553.67x = 98,751.93 × 40,929.59
  4. Step 4: Simplify right side
    71,553.67x = 4,041,876,100.00
  5. Step 5: Solve for x
    x = 4,041,876,100.00/71,553.67
  6. Step 6: Final answer
    x = 56,487.34

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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.