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Finding the Fourth Proportional to 15,344.61, 22,975.88 and 8,761.74

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Solution

The fourth proportional to 15,344.61, 22,975.88 and 8,761.74 is: 13,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.61 : 22,975.88 = 8,761.74 : x
  2. Step 2: Convert to fraction form
    15,344.61/22,975.88 = 8,761.74/x
  3. Step 3: Cross multiply
    15,344.61x = 22,975.88 × 8,761.74
  4. Step 4: Simplify right side
    15,344.61x = 201,308,643.02
  5. Step 5: Solve for x
    x = 201,308,643.02/15,344.61
  6. Step 6: Final answer
    x = 13,119.18

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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.