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Finding the Fourth Proportional to 40,551.71, 60,789.29 and 19,503.66

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Solution

The fourth proportional to 40,551.71, 60,789.29 and 19,503.66 is: 29,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.71 : 60,789.29 = 19,503.66 : x
  2. Step 2: Convert to fraction form
    40,551.71/60,789.29 = 19,503.66/x
  3. Step 3: Cross multiply
    40,551.71x = 60,789.29 × 19,503.66
  4. Step 4: Simplify right side
    40,551.71x = 1,185,613,391.46
  5. Step 5: Solve for x
    x = 1,185,613,391.46/40,551.71
  6. Step 6: Final answer
    x = 29,237.08

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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.