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Finding the Fourth Proportional to 38,017.20, 56,977.20 and 18,253.20

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Solution

The fourth proportional to 38,017.20, 56,977.20 and 18,253.20 is: 27,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.20 : 56,977.20 = 18,253.20 : x
  2. Step 2: Convert to fraction form
    38,017.20/56,977.20 = 18,253.20/x
  3. Step 3: Cross multiply
    38,017.20x = 56,977.20 × 18,253.20
  4. Step 4: Simplify right side
    38,017.20x = 1,040,016,227.04
  5. Step 5: Solve for x
    x = 1,040,016,227.04/38,017.20
  6. Step 6: Final answer
    x = 27,356.47

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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.