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Finding the Fourth Proportional to 56,799.90, 85,206.09 and 15,250.14

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Solution

The fourth proportional to 56,799.90, 85,206.09 and 15,250.14 is: 22,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,799.90 : 85,206.09 = 15,250.14 : x
  2. Step 2: Convert to fraction form
    56,799.90/85,206.09 = 15,250.14/x
  3. Step 3: Cross multiply
    56,799.90x = 85,206.09 × 15,250.14
  4. Step 4: Simplify right side
    56,799.90x = 1,299,404,801.35
  5. Step 5: Solve for x
    x = 1,299,404,801.35/56,799.90
  6. Step 6: Final answer
    x = 22,876.89

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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.