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Finding the Fourth Proportional to 69,338.44, 95,686.86 and 37,507.78

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Solution

The fourth proportional to 69,338.44, 95,686.86 and 37,507.78 is: 51,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.44 : 95,686.86 = 37,507.78 : x
  2. Step 2: Convert to fraction form
    69,338.44/95,686.86 = 37,507.78/x
  3. Step 3: Cross multiply
    69,338.44x = 95,686.86 × 37,507.78
  4. Step 4: Simplify right side
    69,338.44x = 3,589,001,693.77
  5. Step 5: Solve for x
    x = 3,589,001,693.77/69,338.44
  6. Step 6: Final answer
    x = 51,760.64

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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.