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Finding the Fourth Proportional to 12,599.52, 17,387.32 and 7,010.52

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Solution

The fourth proportional to 12,599.52, 17,387.32 and 7,010.52 is: 9,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.52 : 17,387.32 = 7,010.52 : x
  2. Step 2: Convert to fraction form
    12,599.52/17,387.32 = 7,010.52/x
  3. Step 3: Cross multiply
    12,599.52x = 17,387.32 × 7,010.52
  4. Step 4: Simplify right side
    12,599.52x = 121,894,154.61
  5. Step 5: Solve for x
    x = 121,894,154.61/12,599.52
  6. Step 6: Final answer
    x = 9,674.51

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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.