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Finding the Fourth Proportional to 69,367.70, 95,727.76 and 39,154.30

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Solution

The fourth proportional to 69,367.70, 95,727.76 and 39,154.30 is: 54,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,367.70 : 95,727.76 = 39,154.30 : x
  2. Step 2: Convert to fraction form
    69,367.70/95,727.76 = 39,154.30/x
  3. Step 3: Cross multiply
    69,367.70x = 95,727.76 × 39,154.30
  4. Step 4: Simplify right side
    69,367.70x = 3,748,153,433.37
  5. Step 5: Solve for x
    x = 3,748,153,433.37/69,367.70
  6. Step 6: Final answer
    x = 54,033.12

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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.