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Finding the Fourth Proportional to 29,881.71, 44,788.85 and 13,239.55

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Solution

The fourth proportional to 29,881.71, 44,788.85 and 13,239.55 is: 19,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,881.71 : 44,788.85 = 13,239.55 : x
  2. Step 2: Convert to fraction form
    29,881.71/44,788.85 = 13,239.55/x
  3. Step 3: Cross multiply
    29,881.71x = 44,788.85 × 13,239.55
  4. Step 4: Simplify right side
    29,881.71x = 592,984,258.45
  5. Step 5: Solve for x
    x = 592,984,258.45/29,881.71
  6. Step 6: Final answer
    x = 19,844.39

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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.