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Finding the Fourth Proportional to 15,098.84, 22,656.41 and 8,871.02

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Solution

The fourth proportional to 15,098.84, 22,656.41 and 8,871.02 is: 13,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.84 : 22,656.41 = 8,871.02 : x
  2. Step 2: Convert to fraction form
    15,098.84/22,656.41 = 8,871.02/x
  3. Step 3: Cross multiply
    15,098.84x = 22,656.41 × 8,871.02
  4. Step 4: Simplify right side
    15,098.84x = 200,985,426.83
  5. Step 5: Solve for x
    x = 200,985,426.83/15,098.84
  6. Step 6: Final answer
    x = 13,311.31

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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.