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Finding the Fourth Proportional to 17,493.72, 26,253.18 and 8,607.12

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Solution

The fourth proportional to 17,493.72, 26,253.18 and 8,607.12 is: 12,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493.72 : 26,253.18 = 8,607.12 : x
  2. Step 2: Convert to fraction form
    17,493.72/26,253.18 = 8,607.12/x
  3. Step 3: Cross multiply
    17,493.72x = 26,253.18 × 8,607.12
  4. Step 4: Simplify right side
    17,493.72x = 225,964,270.64
  5. Step 5: Solve for x
    x = 225,964,270.64/17,493.72
  6. Step 6: Final answer
    x = 12,916.88

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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.