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Finding the Fourth Proportional to 67,065.48, 92,549.52 and 38,770.56

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Solution

The fourth proportional to 67,065.48, 92,549.52 and 38,770.56 is: 53,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065.48 : 92,549.52 = 38,770.56 : x
  2. Step 2: Convert to fraction form
    67,065.48/92,549.52 = 38,770.56/x
  3. Step 3: Cross multiply
    67,065.48x = 92,549.52 × 38,770.56
  4. Step 4: Simplify right side
    67,065.48x = 3,588,196,718.13
  5. Step 5: Solve for x
    x = 3,588,196,718.13/67,065.48
  6. Step 6: Final answer
    x = 53,502.89

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