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Finding the Fourth Proportional to 69,575.52, 104,341.68 and 22,818

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Solution

The fourth proportional to 69,575.52, 104,341.68 and 22,818 is: 34,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.52 : 104,341.68 = 22,818 : x
  2. Step 2: Convert to fraction form
    69,575.52/104,341.68 = 22,818/x
  3. Step 3: Cross multiply
    69,575.52x = 104,341.68 × 22,818
  4. Step 4: Simplify right side
    69,575.52x = 2,380,868,454.24
  5. Step 5: Solve for x
    x = 2,380,868,454.24/69,575.52
  6. Step 6: Final answer
    x = 34,219.92

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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.