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Finding the Fourth Proportional to 52,401.88, 78,615.02 and 14,962.47

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Solution

The fourth proportional to 52,401.88, 78,615.02 and 14,962.47 is: 22,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.88 : 78,615.02 = 14,962.47 : x
  2. Step 2: Convert to fraction form
    52,401.88/78,615.02 = 14,962.47/x
  3. Step 3: Cross multiply
    52,401.88x = 78,615.02 × 14,962.47
  4. Step 4: Simplify right side
    52,401.88x = 1,176,274,620.90
  5. Step 5: Solve for x
    x = 1,176,274,620.90/52,401.88
  6. Step 6: Final answer
    x = 22,447.18

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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.