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Finding the Fourth Proportional to 26,841.68, 40,260.12 and 9,311.12

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Solution

The fourth proportional to 26,841.68, 40,260.12 and 9,311.12 is: 13,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.68 : 40,260.12 = 9,311.12 : x
  2. Step 2: Convert to fraction form
    26,841.68/40,260.12 = 9,311.12/x
  3. Step 3: Cross multiply
    26,841.68x = 40,260.12 × 9,311.12
  4. Step 4: Simplify right side
    26,841.68x = 374,866,808.53
  5. Step 5: Solve for x
    x = 374,866,808.53/26,841.68
  6. Step 6: Final answer
    x = 13,965.85

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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.