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Finding the Fourth Proportional to 69,281.15, 95,608.42 and 37,449.97

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Solution

The fourth proportional to 69,281.15, 95,608.42 and 37,449.97 is: 51,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281.15 : 95,608.42 = 37,449.97 : x
  2. Step 2: Convert to fraction form
    69,281.15/95,608.42 = 37,449.97/x
  3. Step 3: Cross multiply
    69,281.15x = 95,608.42 × 37,449.97
  4. Step 4: Simplify right side
    69,281.15x = 3,580,532,128.10
  5. Step 5: Solve for x
    x = 3,580,532,128.10/69,281.15
  6. Step 6: Final answer
    x = 51,681.19

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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.