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Finding the Fourth Proportional to 38,952, 58,398.84 and 12,641.04

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Solution

The fourth proportional to 38,952, 58,398.84 and 12,641.04 is: 18,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,952 : 58,398.84 = 12,641.04 : x
  2. Step 2: Convert to fraction form
    38,952/58,398.84 = 12,641.04/x
  3. Step 3: Cross multiply
    38,952x = 58,398.84 × 12,641.04
  4. Step 4: Simplify right side
    38,952x = 738,222,072.39
  5. Step 5: Solve for x
    x = 738,222,072.39/38,952
  6. Step 6: Final answer
    x = 18,952.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.