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Finding the Fourth Proportional to 12,753.14, 17,599.66 and 7,087.72

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Solution

The fourth proportional to 12,753.14, 17,599.66 and 7,087.72 is: 9,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.14 : 17,599.66 = 7,087.72 : x
  2. Step 2: Convert to fraction form
    12,753.14/17,599.66 = 7,087.72/x
  3. Step 3: Cross multiply
    12,753.14x = 17,599.66 × 7,087.72
  4. Step 4: Simplify right side
    12,753.14x = 124,741,462.18
  5. Step 5: Solve for x
    x = 124,741,462.18/12,753.14
  6. Step 6: Final answer
    x = 9,781.24

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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.