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Finding the Fourth Proportional to 63,230.40, 94,850.40 and 18,853.68

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Solution

The fourth proportional to 63,230.40, 94,850.40 and 18,853.68 is: 28,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,230.40 : 94,850.40 = 18,853.68 : x
  2. Step 2: Convert to fraction form
    63,230.40/94,850.40 = 18,853.68/x
  3. Step 3: Cross multiply
    63,230.40x = 94,850.40 × 18,853.68
  4. Step 4: Simplify right side
    63,230.40x = 1,788,279,089.47
  5. Step 5: Solve for x
    x = 1,788,279,089.47/63,230.40
  6. Step 6: Final answer
    x = 28,281.95

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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.