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Finding the Fourth Proportional to 67,295.60, 92,866.87 and 38,614.11

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Solution

The fourth proportional to 67,295.60, 92,866.87 and 38,614.11 is: 53,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.60 : 92,866.87 = 38,614.11 : x
  2. Step 2: Convert to fraction form
    67,295.60/92,866.87 = 38,614.11/x
  3. Step 3: Cross multiply
    67,295.60x = 92,866.87 × 38,614.11
  4. Step 4: Simplify right side
    67,295.60x = 3,585,971,533.54
  5. Step 5: Solve for x
    x = 3,585,971,533.54/67,295.60
  6. Step 6: Final answer
    x = 53,286.86

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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.