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Finding the Fourth Proportional to 71,550.40, 98,758.80 and 44,676.64

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Solution

The fourth proportional to 71,550.40, 98,758.80 and 44,676.64 is: 61,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,550.40 : 98,758.80 = 44,676.64 : x
  2. Step 2: Convert to fraction form
    71,550.40/98,758.80 = 44,676.64/x
  3. Step 3: Cross multiply
    71,550.40x = 98,758.80 × 44,676.64
  4. Step 4: Simplify right side
    71,550.40x = 4,412,211,354.43
  5. Step 5: Solve for x
    x = 4,412,211,354.43/71,550.40
  6. Step 6: Final answer
    x = 61,665.78

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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.