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Finding the Fourth Proportional to 71,393.51, 98,523.87 and 39,562.94

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Solution

The fourth proportional to 71,393.51, 98,523.87 and 39,562.94 is: 54,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.51 : 98,523.87 = 39,562.94 : x
  2. Step 2: Convert to fraction form
    71,393.51/98,523.87 = 39,562.94/x
  3. Step 3: Cross multiply
    71,393.51x = 98,523.87 × 39,562.94
  4. Step 4: Simplify right side
    71,393.51x = 3,897,893,957.38
  5. Step 5: Solve for x
    x = 3,897,893,957.38/71,393.51
  6. Step 6: Final answer
    x = 54,597.32

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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.