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Finding the Fourth Proportional to 44,773.74, 67,175.19 and 21,402

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Solution

The fourth proportional to 44,773.74, 67,175.19 and 21,402 is: 32,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,773.74 : 67,175.19 = 21,402 : x
  2. Step 2: Convert to fraction form
    44,773.74/67,175.19 = 21,402/x
  3. Step 3: Cross multiply
    44,773.74x = 67,175.19 × 21,402
  4. Step 4: Simplify right side
    44,773.74x = 1,437,683,416.38
  5. Step 5: Solve for x
    x = 1,437,683,416.38/44,773.74
  6. Step 6: Final answer
    x = 32,109.97

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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.