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Finding the Fourth Proportional to 69,955.38, 96,462.20 and 47,254.97

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Solution

The fourth proportional to 69,955.38, 96,462.20 and 47,254.97 is: 65,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,955.38 : 96,462.20 = 47,254.97 : x
  2. Step 2: Convert to fraction form
    69,955.38/96,462.20 = 47,254.97/x
  3. Step 3: Cross multiply
    69,955.38x = 96,462.20 × 47,254.97
  4. Step 4: Simplify right side
    69,955.38x = 4,558,318,367.13
  5. Step 5: Solve for x
    x = 4,558,318,367.13/69,955.38
  6. Step 6: Final answer
    x = 65,160.37

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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.