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Finding the Fourth Proportional to 66,425.06, 99,651.26 and 26,982.11

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Solution

The fourth proportional to 66,425.06, 99,651.26 and 26,982.11 is: 40,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425.06 : 99,651.26 = 26,982.11 : x
  2. Step 2: Convert to fraction form
    66,425.06/99,651.26 = 26,982.11/x
  3. Step 3: Cross multiply
    66,425.06x = 99,651.26 × 26,982.11
  4. Step 4: Simplify right side
    66,425.06x = 2,688,801,575.54
  5. Step 5: Solve for x
    x = 2,688,801,575.54/66,425.06
  6. Step 6: Final answer
    x = 40,478.72

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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.