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Finding the Fourth Proportional to 12,502.40, 17,253.28 and 6,913.44

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Solution

The fourth proportional to 12,502.40, 17,253.28 and 6,913.44 is: 9,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.40 : 17,253.28 = 6,913.44 : x
  2. Step 2: Convert to fraction form
    12,502.40/17,253.28 = 6,913.44/x
  3. Step 3: Cross multiply
    12,502.40x = 17,253.28 × 6,913.44
  4. Step 4: Simplify right side
    12,502.40x = 119,279,516.08
  5. Step 5: Solve for x
    x = 119,279,516.08/12,502.40
  6. Step 6: Final answer
    x = 9,540.53

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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.