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Finding the Fourth Proportional to 17,642.53, 26,476.20 and 8,282.86

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Solution

The fourth proportional to 17,642.53, 26,476.20 and 8,282.86 is: 12,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.53 : 26,476.20 = 8,282.86 : x
  2. Step 2: Convert to fraction form
    17,642.53/26,476.20 = 8,282.86/x
  3. Step 3: Cross multiply
    17,642.53x = 26,476.20 × 8,282.86
  4. Step 4: Simplify right side
    17,642.53x = 219,298,591.74
  5. Step 5: Solve for x
    x = 219,298,591.74/17,642.53
  6. Step 6: Final answer
    x = 12,430.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.