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Finding the Fourth Proportional to 69,475.59, 95,876.40 and 37,644.48

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Solution

The fourth proportional to 69,475.59, 95,876.40 and 37,644.48 is: 51,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,475.59 : 95,876.40 = 37,644.48 : x
  2. Step 2: Convert to fraction form
    69,475.59/95,876.40 = 37,644.48/x
  3. Step 3: Cross multiply
    69,475.59x = 95,876.40 × 37,644.48
  4. Step 4: Simplify right side
    69,475.59x = 3,609,217,222.27
  5. Step 5: Solve for x
    x = 3,609,217,222.27/69,475.59
  6. Step 6: Final answer
    x = 51,949.43

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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.