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Finding the Fourth Proportional to 49,645.80, 74,468.70 and 29,962.80

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Solution

The fourth proportional to 49,645.80, 74,468.70 and 29,962.80 is: 44,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.80 : 74,468.70 = 29,962.80 : x
  2. Step 2: Convert to fraction form
    49,645.80/74,468.70 = 29,962.80/x
  3. Step 3: Cross multiply
    49,645.80x = 74,468.70 × 29,962.80
  4. Step 4: Simplify right side
    49,645.80x = 2,231,290,764.36
  5. Step 5: Solve for x
    x = 2,231,290,764.36/49,645.80
  6. Step 6: Final answer
    x = 44,944.20

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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.