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Finding the Fourth Proportional to 29,159.22, 43,740.80 and 9,917.13

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Solution

The fourth proportional to 29,159.22, 43,740.80 and 9,917.13 is: 14,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.22 : 43,740.80 = 9,917.13 : x
  2. Step 2: Convert to fraction form
    29,159.22/43,740.80 = 9,917.13/x
  3. Step 3: Cross multiply
    29,159.22x = 43,740.80 × 9,917.13
  4. Step 4: Simplify right side
    29,159.22x = 433,783,200.62
  5. Step 5: Solve for x
    x = 433,783,200.62/29,159.22
  6. Step 6: Final answer
    x = 14,876.37

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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.