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Finding the Fourth Proportional to 67,248, 92,800.43 and 38,572.49

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Solution

The fourth proportional to 67,248, 92,800.43 and 38,572.49 is: 53,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248 : 92,800.43 = 38,572.49 : x
  2. Step 2: Convert to fraction form
    67,248/92,800.43 = 38,572.49/x
  3. Step 3: Cross multiply
    67,248x = 92,800.43 × 38,572.49
  4. Step 4: Simplify right side
    67,248x = 3,579,543,001.31
  5. Step 5: Solve for x
    x = 3,579,543,001.31/67,248
  6. Step 6: Final answer
    x = 53,228.99

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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.