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Finding the Fourth Proportional to 29,595.78, 44,402.58 and 8,819.28

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Solution

The fourth proportional to 29,595.78, 44,402.58 and 8,819.28 is: 13,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,595.78 : 44,402.58 = 8,819.28 : x
  2. Step 2: Convert to fraction form
    29,595.78/44,402.58 = 8,819.28/x
  3. Step 3: Cross multiply
    29,595.78x = 44,402.58 × 8,819.28
  4. Step 4: Simplify right side
    29,595.78x = 391,598,785.74
  5. Step 5: Solve for x
    x = 391,598,785.74/29,595.78
  6. Step 6: Final answer
    x = 13,231.58

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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.