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Finding the Fourth Proportional to 63,352.80, 87,326.37 and 49,902.75

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Solution

The fourth proportional to 63,352.80, 87,326.37 and 49,902.75 is: 68,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,352.80 : 87,326.37 = 49,902.75 : x
  2. Step 2: Convert to fraction form
    63,352.80/87,326.37 = 49,902.75/x
  3. Step 3: Cross multiply
    63,352.80x = 87,326.37 × 49,902.75
  4. Step 4: Simplify right side
    63,352.80x = 4,357,826,010.52
  5. Step 5: Solve for x
    x = 4,357,826,010.52/63,352.80
  6. Step 6: Final answer
    x = 68,786.64

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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.