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Finding the Fourth Proportional to 9,328.74, 13,995.20 and 4,949.27

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Solution

The fourth proportional to 9,328.74, 13,995.20 and 4,949.27 is: 7,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.74 : 13,995.20 = 4,949.27 : x
  2. Step 2: Convert to fraction form
    9,328.74/13,995.20 = 4,949.27/x
  3. Step 3: Cross multiply
    9,328.74x = 13,995.20 × 4,949.27
  4. Step 4: Simplify right side
    9,328.74x = 69,266,023.50
  5. Step 5: Solve for x
    x = 69,266,023.50/9,328.74
  6. Step 6: Final answer
    x = 7,425.01

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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.