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Finding the Fourth Proportional to 29,008.88, 43,442.08 and 14,169.96

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Solution

The fourth proportional to 29,008.88, 43,442.08 and 14,169.96 is: 21,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.88 : 43,442.08 = 14,169.96 : x
  2. Step 2: Convert to fraction form
    29,008.88/43,442.08 = 14,169.96/x
  3. Step 3: Cross multiply
    29,008.88x = 43,442.08 × 14,169.96
  4. Step 4: Simplify right side
    29,008.88x = 615,572,535.92
  5. Step 5: Solve for x
    x = 615,572,535.92/29,008.88
  6. Step 6: Final answer
    x = 21,220.14

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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.