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Finding the Fourth Proportional to 66,081.98, 99,070.54 and 32,793.12

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Solution

The fourth proportional to 66,081.98, 99,070.54 and 32,793.12 is: 49,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.98 : 99,070.54 = 32,793.12 : x
  2. Step 2: Convert to fraction form
    66,081.98/99,070.54 = 32,793.12/x
  3. Step 3: Cross multiply
    66,081.98x = 99,070.54 × 32,793.12
  4. Step 4: Simplify right side
    66,081.98x = 3,248,832,106.68
  5. Step 5: Solve for x
    x = 3,248,832,106.68/66,081.98
  6. Step 6: Final answer
    x = 49,163.66

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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.