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Finding the Fourth Proportional to 12,335.68, 17,008.26 and 8,562.02

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Solution

The fourth proportional to 12,335.68, 17,008.26 and 8,562.02 is: 11,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.68 : 17,008.26 = 8,562.02 : x
  2. Step 2: Convert to fraction form
    12,335.68/17,008.26 = 8,562.02/x
  3. Step 3: Cross multiply
    12,335.68x = 17,008.26 × 8,562.02
  4. Step 4: Simplify right side
    12,335.68x = 145,625,062.29
  5. Step 5: Solve for x
    x = 145,625,062.29/12,335.68
  6. Step 6: Final answer
    x = 11,805.20

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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.