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Finding the Fourth Proportional to 51,894.10, 77,841.22 and 14,454.28

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Solution

The fourth proportional to 51,894.10, 77,841.22 and 14,454.28 is: 21,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,894.10 : 77,841.22 = 14,454.28 : x
  2. Step 2: Convert to fraction form
    51,894.10/77,841.22 = 14,454.28/x
  3. Step 3: Cross multiply
    51,894.10x = 77,841.22 × 14,454.28
  4. Step 4: Simplify right side
    51,894.10x = 1,125,138,789.42
  5. Step 5: Solve for x
    x = 1,125,138,789.42/51,894.10
  6. Step 6: Final answer
    x = 21,681.44

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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.