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Finding the Fourth Proportional to 69,555.62, 95,986.05 and 39,346.83

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Solution

The fourth proportional to 69,555.62, 95,986.05 and 39,346.83 is: 54,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.62 : 95,986.05 = 39,346.83 : x
  2. Step 2: Convert to fraction form
    69,555.62/95,986.05 = 39,346.83/x
  3. Step 3: Cross multiply
    69,555.62x = 95,986.05 × 39,346.83
  4. Step 4: Simplify right side
    69,555.62x = 3,776,746,791.72
  5. Step 5: Solve for x
    x = 3,776,746,791.72/69,555.62
  6. Step 6: Final answer
    x = 54,298.23

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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.