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Finding the Fourth Proportional to 9,002.65, 13,503.87 and 3,079.48

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Solution

The fourth proportional to 9,002.65, 13,503.87 and 3,079.48 is: 4,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.65 : 13,503.87 = 3,079.48 : x
  2. Step 2: Convert to fraction form
    9,002.65/13,503.87 = 3,079.48/x
  3. Step 3: Cross multiply
    9,002.65x = 13,503.87 × 3,079.48
  4. Step 4: Simplify right side
    9,002.65x = 41,584,897.59
  5. Step 5: Solve for x
    x = 41,584,897.59/9,002.65
  6. Step 6: Final answer
    x = 4,619.18

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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.