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Finding the Fourth Proportional to 23,322.61, 34,988.91 and 8,531.47

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Solution

The fourth proportional to 23,322.61, 34,988.91 and 8,531.47 is: 12,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,322.61 : 34,988.91 = 8,531.47 : x
  2. Step 2: Convert to fraction form
    23,322.61/34,988.91 = 8,531.47/x
  3. Step 3: Cross multiply
    23,322.61x = 34,988.91 × 8,531.47
  4. Step 4: Simplify right side
    23,322.61x = 298,506,836.00
  5. Step 5: Solve for x
    x = 298,506,836.00/23,322.61
  6. Step 6: Final answer
    x = 12,799.03

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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.