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Finding the Fourth Proportional to 29,470.52, 40,670.13 and 16,724.22

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Solution

The fourth proportional to 29,470.52, 40,670.13 and 16,724.22 is: 23,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.52 : 40,670.13 = 16,724.22 : x
  2. Step 2: Convert to fraction form
    29,470.52/40,670.13 = 16,724.22/x
  3. Step 3: Cross multiply
    29,470.52x = 40,670.13 × 16,724.22
  4. Step 4: Simplify right side
    29,470.52x = 680,176,201.55
  5. Step 5: Solve for x
    x = 680,176,201.55/29,470.52
  6. Step 6: Final answer
    x = 23,079.89

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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.