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Finding the Fourth Proportional to 29,469.61, 40,671.53 and 16,551.01

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Solution

The fourth proportional to 29,469.61, 40,671.53 and 16,551.01 is: 22,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.61 : 40,671.53 = 16,551.01 : x
  2. Step 2: Convert to fraction form
    29,469.61/40,671.53 = 16,551.01/x
  3. Step 3: Cross multiply
    29,469.61x = 40,671.53 × 16,551.01
  4. Step 4: Simplify right side
    29,469.61x = 673,154,613.63
  5. Step 5: Solve for x
    x = 673,154,613.63/29,469.61
  6. Step 6: Final answer
    x = 22,842.34

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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.