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Finding the Fourth Proportional to 27,046.20, 40,559.70 and 18,726.20

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Solution

The fourth proportional to 27,046.20, 40,559.70 and 18,726.20 is: 28,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,046.20 : 40,559.70 = 18,726.20 : x
  2. Step 2: Convert to fraction form
    27,046.20/40,559.70 = 18,726.20/x
  3. Step 3: Cross multiply
    27,046.20x = 40,559.70 × 18,726.20
  4. Step 4: Simplify right side
    27,046.20x = 759,529,054.14
  5. Step 5: Solve for x
    x = 759,529,054.14/27,046.20
  6. Step 6: Final answer
    x = 28,082.65

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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.