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Finding the Fourth Proportional to 9,938.69, 14,908.03 and 3,013.19

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Solution

The fourth proportional to 9,938.69, 14,908.03 and 3,013.19 is: 4,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.69 : 14,908.03 = 3,013.19 : x
  2. Step 2: Convert to fraction form
    9,938.69/14,908.03 = 3,013.19/x
  3. Step 3: Cross multiply
    9,938.69x = 14,908.03 × 3,013.19
  4. Step 4: Simplify right side
    9,938.69x = 44,920,726.92
  5. Step 5: Solve for x
    x = 44,920,726.92/9,938.69
  6. Step 6: Final answer
    x = 4,519.78

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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.