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Finding the Fourth Proportional to 66,550.88, 99,826.14 and 27,098.72

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Solution

The fourth proportional to 66,550.88, 99,826.14 and 27,098.72 is: 40,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.88 : 99,826.14 = 27,098.72 : x
  2. Step 2: Convert to fraction form
    66,550.88/99,826.14 = 27,098.72/x
  3. Step 3: Cross multiply
    66,550.88x = 99,826.14 × 27,098.72
  4. Step 4: Simplify right side
    66,550.88x = 2,705,160,616.54
  5. Step 5: Solve for x
    x = 2,705,160,616.54/66,550.88
  6. Step 6: Final answer
    x = 40,648.01

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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.