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Finding the Fourth Proportional to 26,549.66, 39,830.97 and 8,081.66

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Solution

The fourth proportional to 26,549.66, 39,830.97 and 8,081.66 is: 12,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.66 : 39,830.97 = 8,081.66 : x
  2. Step 2: Convert to fraction form
    26,549.66/39,830.97 = 8,081.66/x
  3. Step 3: Cross multiply
    26,549.66x = 39,830.97 × 8,081.66
  4. Step 4: Simplify right side
    26,549.66x = 321,900,357.01
  5. Step 5: Solve for x
    x = 321,900,357.01/26,549.66
  6. Step 6: Final answer
    x = 12,124.46

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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.