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Finding the Fourth Proportional to 69,371.36, 95,779.36 and 45,538.56

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Solution

The fourth proportional to 69,371.36, 95,779.36 and 45,538.56 is: 62,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.36 : 95,779.36 = 45,538.56 : x
  2. Step 2: Convert to fraction form
    69,371.36/95,779.36 = 45,538.56/x
  3. Step 3: Cross multiply
    69,371.36x = 95,779.36 × 45,538.56
  4. Step 4: Simplify right side
    69,371.36x = 4,361,654,132.12
  5. Step 5: Solve for x
    x = 4,361,654,132.12/69,371.36
  6. Step 6: Final answer
    x = 62,873.99

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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.