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Finding the Fourth Proportional to 46,286.60, 69,429.90 and 44,472.20

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Solution

The fourth proportional to 46,286.60, 69,429.90 and 44,472.20 is: 66,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,286.60 : 69,429.90 = 44,472.20 : x
  2. Step 2: Convert to fraction form
    46,286.60/69,429.90 = 44,472.20/x
  3. Step 3: Cross multiply
    46,286.60x = 69,429.90 × 44,472.20
  4. Step 4: Simplify right side
    46,286.60x = 3,087,700,398.78
  5. Step 5: Solve for x
    x = 3,087,700,398.78/46,286.60
  6. Step 6: Final answer
    x = 66,708.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.