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Finding the Fourth Proportional to 61,874.88, 92,814.14 and 15,127.75

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Solution

The fourth proportional to 61,874.88, 92,814.14 and 15,127.75 is: 22,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.88 : 92,814.14 = 15,127.75 : x
  2. Step 2: Convert to fraction form
    61,874.88/92,814.14 = 15,127.75/x
  3. Step 3: Cross multiply
    61,874.88x = 92,814.14 × 15,127.75
  4. Step 4: Simplify right side
    61,874.88x = 1,404,069,106.39
  5. Step 5: Solve for x
    x = 1,404,069,106.39/61,874.88
  6. Step 6: Final answer
    x = 22,692.07

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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.