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Finding the Fourth Proportional to 69,775.56, 96,287.76 and 37,943.64

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Solution

The fourth proportional to 69,775.56, 96,287.76 and 37,943.64 is: 52,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.56 : 96,287.76 = 37,943.64 : x
  2. Step 2: Convert to fraction form
    69,775.56/96,287.76 = 37,943.64/x
  3. Step 3: Cross multiply
    69,775.56x = 96,287.76 × 37,943.64
  4. Step 4: Simplify right side
    69,775.56x = 3,653,508,101.85
  5. Step 5: Solve for x
    x = 3,653,508,101.85/69,775.56
  6. Step 6: Final answer
    x = 52,360.86

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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.