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Finding the Fourth Proportional to 18,314, 27,454.71 and 6,624.62

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Solution

The fourth proportional to 18,314, 27,454.71 and 6,624.62 is: 9,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314 : 27,454.71 = 6,624.62 : x
  2. Step 2: Convert to fraction form
    18,314/27,454.71 = 6,624.62/x
  3. Step 3: Cross multiply
    18,314x = 27,454.71 × 6,624.62
  4. Step 4: Simplify right side
    18,314x = 181,877,020.96
  5. Step 5: Solve for x
    x = 181,877,020.96/18,314
  6. Step 6: Final answer
    x = 9,931.04

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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.