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Finding the Fourth Proportional to 12,652.82, 17,461.89 and 7,349.30

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Solution

The fourth proportional to 12,652.82, 17,461.89 and 7,349.30 is: 10,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.82 : 17,461.89 = 7,349.30 : x
  2. Step 2: Convert to fraction form
    12,652.82/17,461.89 = 7,349.30/x
  3. Step 3: Cross multiply
    12,652.82x = 17,461.89 × 7,349.30
  4. Step 4: Simplify right side
    12,652.82x = 128,332,668.18
  5. Step 5: Solve for x
    x = 128,332,668.18/12,652.82
  6. Step 6: Final answer
    x = 10,142.61

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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.