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Finding the Fourth Proportional to 16,612.71, 24,921.57 and 5,364.29

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Solution

The fourth proportional to 16,612.71, 24,921.57 and 5,364.29 is: 8,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.71 : 24,921.57 = 5,364.29 : x
  2. Step 2: Convert to fraction form
    16,612.71/24,921.57 = 5,364.29/x
  3. Step 3: Cross multiply
    16,612.71x = 24,921.57 × 5,364.29
  4. Step 4: Simplify right side
    16,612.71x = 133,686,404.13
  5. Step 5: Solve for x
    x = 133,686,404.13/16,612.71
  6. Step 6: Final answer
    x = 8,047.24

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1.5x scale

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.