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Finding the Fourth Proportional to 16,898.64, 25,344.12 and 6,369.74

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Solution

The fourth proportional to 16,898.64, 25,344.12 and 6,369.74 is: 9,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.64 : 25,344.12 = 6,369.74 : x
  2. Step 2: Convert to fraction form
    16,898.64/25,344.12 = 6,369.74/x
  3. Step 3: Cross multiply
    16,898.64x = 25,344.12 × 6,369.74
  4. Step 4: Simplify right side
    16,898.64x = 161,435,454.93
  5. Step 5: Solve for x
    x = 161,435,454.93/16,898.64
  6. Step 6: Final answer
    x = 9,553.16

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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.