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Finding the Fourth Proportional to 71,359.05, 98,482.17 and 39,527.97

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Solution

The fourth proportional to 71,359.05, 98,482.17 and 39,527.97 is: 54,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.05 : 98,482.17 = 39,527.97 : x
  2. Step 2: Convert to fraction form
    71,359.05/98,482.17 = 39,527.97/x
  3. Step 3: Cross multiply
    71,359.05x = 98,482.17 × 39,527.97
  4. Step 4: Simplify right side
    71,359.05x = 3,892,800,261.29
  5. Step 5: Solve for x
    x = 3,892,800,261.29/71,359.05
  6. Step 6: Final answer
    x = 54,552.30

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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.