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Finding the Fourth Proportional to 66,966.61, 100,446.66 and 24,854.89

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Solution

The fourth proportional to 66,966.61, 100,446.66 and 24,854.89 is: 37,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.61 : 100,446.66 = 24,854.89 : x
  2. Step 2: Convert to fraction form
    66,966.61/100,446.66 = 24,854.89/x
  3. Step 3: Cross multiply
    66,966.61x = 100,446.66 × 24,854.89
  4. Step 4: Simplify right side
    66,966.61x = 2,496,590,685.17
  5. Step 5: Solve for x
    x = 2,496,590,685.17/66,966.61
  6. Step 6: Final answer
    x = 37,281.13

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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.