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Finding the Fourth Proportional to 44,898.38, 67,347.90 and 19,931.71

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Solution

The fourth proportional to 44,898.38, 67,347.90 and 19,931.71 is: 29,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,898.38 : 67,347.90 = 19,931.71 : x
  2. Step 2: Convert to fraction form
    44,898.38/67,347.90 = 19,931.71/x
  3. Step 3: Cross multiply
    44,898.38x = 67,347.90 × 19,931.71
  4. Step 4: Simplify right side
    44,898.38x = 1,342,358,811.91
  5. Step 5: Solve for x
    x = 1,342,358,811.91/44,898.38
  6. Step 6: Final answer
    x = 29,897.71

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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.