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Finding the Fourth Proportional to 18,377.14, 27,562.41 and 4,868.40

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Solution

The fourth proportional to 18,377.14, 27,562.41 and 4,868.40 is: 7,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.14 : 27,562.41 = 4,868.40 : x
  2. Step 2: Convert to fraction form
    18,377.14/27,562.41 = 4,868.40/x
  3. Step 3: Cross multiply
    18,377.14x = 27,562.41 × 4,868.40
  4. Step 4: Simplify right side
    18,377.14x = 134,184,751.74
  5. Step 5: Solve for x
    x = 134,184,751.74/18,377.14
  6. Step 6: Final answer
    x = 7,301.72

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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.