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Finding the Fourth Proportional to 16,787.16, 25,158.05 and 6,393.24

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Solution

The fourth proportional to 16,787.16, 25,158.05 and 6,393.24 is: 9,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.16 : 25,158.05 = 6,393.24 : x
  2. Step 2: Convert to fraction form
    16,787.16/25,158.05 = 6,393.24/x
  3. Step 3: Cross multiply
    16,787.16x = 25,158.05 × 6,393.24
  4. Step 4: Simplify right side
    16,787.16x = 160,841,451.58
  5. Step 5: Solve for x
    x = 160,841,451.58/16,787.16
  6. Step 6: Final answer
    x = 9,581.22

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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.