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Finding the Fourth Proportional to 49,250.60, 73,854.30 and 19,658.60

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Solution

The fourth proportional to 49,250.60, 73,854.30 and 19,658.60 is: 29,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,250.60 : 73,854.30 = 19,658.60 : x
  2. Step 2: Convert to fraction form
    49,250.60/73,854.30 = 19,658.60/x
  3. Step 3: Cross multiply
    49,250.60x = 73,854.30 × 19,658.60
  4. Step 4: Simplify right side
    49,250.60x = 1,451,872,141.98
  5. Step 5: Solve for x
    x = 1,451,872,141.98/49,250.60
  6. Step 6: Final answer
    x = 29,479.28

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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.