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Finding the Fourth Proportional to 12,624.74, 18,941.04 and 5,232.68

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Solution

The fourth proportional to 12,624.74, 18,941.04 and 5,232.68 is: 7,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.74 : 18,941.04 = 5,232.68 : x
  2. Step 2: Convert to fraction form
    12,624.74/18,941.04 = 5,232.68/x
  3. Step 3: Cross multiply
    12,624.74x = 18,941.04 × 5,232.68
  4. Step 4: Simplify right side
    12,624.74x = 99,112,306.48
  5. Step 5: Solve for x
    x = 99,112,306.48/12,624.74
  6. Step 6: Final answer
    x = 7,850.64

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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.