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Finding the Fourth Proportional to 12,717.62, 17,552.12 and 7,053.62

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Solution

The fourth proportional to 12,717.62, 17,552.12 and 7,053.62 is: 9,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.62 : 17,552.12 = 7,053.62 : x
  2. Step 2: Convert to fraction form
    12,717.62/17,552.12 = 7,053.62/x
  3. Step 3: Cross multiply
    12,717.62x = 17,552.12 × 7,053.62
  4. Step 4: Simplify right side
    12,717.62x = 123,805,949.41
  5. Step 5: Solve for x
    x = 123,805,949.41/12,717.62
  6. Step 6: Final answer
    x = 9,734.99

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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.