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Finding the Fourth Proportional to 17,132.70, 23,642.67 and 9,680.70

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Solution

The fourth proportional to 17,132.70, 23,642.67 and 9,680.70 is: 13,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.70 : 23,642.67 = 9,680.70 : x
  2. Step 2: Convert to fraction form
    17,132.70/23,642.67 = 9,680.70/x
  3. Step 3: Cross multiply
    17,132.70x = 23,642.67 × 9,680.70
  4. Step 4: Simplify right side
    17,132.70x = 228,877,595.47
  5. Step 5: Solve for x
    x = 228,877,595.47/17,132.70
  6. Step 6: Final answer
    x = 13,359.11

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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.