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Finding the Fourth Proportional to 69,787.57, 96,265.80 and 41,491.57

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Solution

The fourth proportional to 69,787.57, 96,265.80 and 41,491.57 is: 57,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.57 : 96,265.80 = 41,491.57 : x
  2. Step 2: Convert to fraction form
    69,787.57/96,265.80 = 41,491.57/x
  3. Step 3: Cross multiply
    69,787.57x = 96,265.80 × 41,491.57
  4. Step 4: Simplify right side
    69,787.57x = 3,994,218,490.52
  5. Step 5: Solve for x
    x = 3,994,218,490.52/69,787.57
  6. Step 6: Final answer
    x = 57,233.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.