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Finding the Fourth Proportional to 29,442.76, 44,165.56 and 9,720.88

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Solution

The fourth proportional to 29,442.76, 44,165.56 and 9,720.88 is: 14,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.76 : 44,165.56 = 9,720.88 : x
  2. Step 2: Convert to fraction form
    29,442.76/44,165.56 = 9,720.88/x
  3. Step 3: Cross multiply
    29,442.76x = 44,165.56 × 9,720.88
  4. Step 4: Simplify right side
    29,442.76x = 429,328,084.59
  5. Step 5: Solve for x
    x = 429,328,084.59/29,442.76
  6. Step 6: Final answer
    x = 14,581.79

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1.5x scale

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.