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Finding the Fourth Proportional to 29,605.95, 40,854.47 and 16,174.53

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Solution

The fourth proportional to 29,605.95, 40,854.47 and 16,174.53 is: 22,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.95 : 40,854.47 = 16,174.53 : x
  2. Step 2: Convert to fraction form
    29,605.95/40,854.47 = 16,174.53/x
  3. Step 3: Cross multiply
    29,605.95x = 40,854.47 × 16,174.53
  4. Step 4: Simplify right side
    29,605.95x = 660,801,769.78
  5. Step 5: Solve for x
    x = 660,801,769.78/29,605.95
  6. Step 6: Final answer
    x = 22,319.90

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1.5x scale

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.