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Finding the Fourth Proportional to 29,494.79, 40,702.23 and 16,065.89

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Solution

The fourth proportional to 29,494.79, 40,702.23 and 16,065.89 is: 22,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,494.79 : 40,702.23 = 16,065.89 : x
  2. Step 2: Convert to fraction form
    29,494.79/40,702.23 = 16,065.89/x
  3. Step 3: Cross multiply
    29,494.79x = 40,702.23 × 16,065.89
  4. Step 4: Simplify right side
    29,494.79x = 653,917,549.93
  5. Step 5: Solve for x
    x = 653,917,549.93/29,494.79
  6. Step 6: Final answer
    x = 22,170.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.