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Finding the Fourth Proportional to 69,687.34, 96,168.79 and 41,008.12

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Solution

The fourth proportional to 69,687.34, 96,168.79 and 41,008.12 is: 56,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687.34 : 96,168.79 = 41,008.12 : x
  2. Step 2: Convert to fraction form
    69,687.34/96,168.79 = 41,008.12/x
  3. Step 3: Cross multiply
    69,687.34x = 96,168.79 × 41,008.12
  4. Step 4: Simplify right side
    69,687.34x = 3,943,701,280.57
  5. Step 5: Solve for x
    x = 3,943,701,280.57/69,687.34
  6. Step 6: Final answer
    x = 56,591.36

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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.