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Finding the Fourth Proportional to 12,612.64, 17,404.44 and 7,306.48

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Solution

The fourth proportional to 12,612.64, 17,404.44 and 7,306.48 is: 10,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.64 : 17,404.44 = 7,306.48 : x
  2. Step 2: Convert to fraction form
    12,612.64/17,404.44 = 7,306.48/x
  3. Step 3: Cross multiply
    12,612.64x = 17,404.44 × 7,306.48
  4. Step 4: Simplify right side
    12,612.64x = 127,165,192.77
  5. Step 5: Solve for x
    x = 127,165,192.77/12,612.64
  6. Step 6: Final answer
    x = 10,082.36

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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.