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Finding the Fourth Proportional to 83,694.96, 115,499.36 and 45,454.56

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Solution

The fourth proportional to 83,694.96, 115,499.36 and 45,454.56 is: 62,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.96 : 115,499.36 = 45,454.56 : x
  2. Step 2: Convert to fraction form
    83,694.96/115,499.36 = 45,454.56/x
  3. Step 3: Cross multiply
    83,694.96x = 115,499.36 × 45,454.56
  4. Step 4: Simplify right side
    83,694.96x = 5,249,972,589.08
  5. Step 5: Solve for x
    x = 5,249,972,589.08/83,694.96
  6. Step 6: Final answer
    x = 62,727.46

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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.