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Finding the Fourth Proportional to 69,084.60, 103,622.64 and 24,709.20

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Solution

The fourth proportional to 69,084.60, 103,622.64 and 24,709.20 is: 37,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.60 : 103,622.64 = 24,709.20 : x
  2. Step 2: Convert to fraction form
    69,084.60/103,622.64 = 24,709.20/x
  3. Step 3: Cross multiply
    69,084.60x = 103,622.64 × 24,709.20
  4. Step 4: Simplify right side
    69,084.60x = 2,560,432,536.29
  5. Step 5: Solve for x
    x = 2,560,432,536.29/69,084.60
  6. Step 6: Final answer
    x = 37,062.28

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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.