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Finding the Fourth Proportional to 12,502.44, 17,253.96 and 7,788.24

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Solution

The fourth proportional to 12,502.44, 17,253.96 and 7,788.24 is: 10,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.44 : 17,253.96 = 7,788.24 : x
  2. Step 2: Convert to fraction form
    12,502.44/17,253.96 = 7,788.24/x
  3. Step 3: Cross multiply
    12,502.44x = 17,253.96 × 7,788.24
  4. Step 4: Simplify right side
    12,502.44x = 134,377,981.43
  5. Step 5: Solve for x
    x = 134,377,981.43/12,502.44
  6. Step 6: Final answer
    x = 10,748.14

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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.