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Finding the Fourth Proportional to 69,332.64, 103,998.88 and 22,585.44

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Solution

The fourth proportional to 69,332.64, 103,998.88 and 22,585.44 is: 33,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.64 : 103,998.88 = 22,585.44 : x
  2. Step 2: Convert to fraction form
    69,332.64/103,998.88 = 22,585.44/x
  3. Step 3: Cross multiply
    69,332.64x = 103,998.88 × 22,585.44
  4. Step 4: Simplify right side
    69,332.64x = 2,348,860,464.31
  5. Step 5: Solve for x
    x = 2,348,860,464.31/69,332.64
  6. Step 6: Final answer
    x = 33,878.13

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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.