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Finding the Fourth Proportional to 9,287.03, 13,928.11 and 4,346.84

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Solution

The fourth proportional to 9,287.03, 13,928.11 and 4,346.84 is: 6,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.03 : 13,928.11 = 4,346.84 : x
  2. Step 2: Convert to fraction form
    9,287.03/13,928.11 = 4,346.84/x
  3. Step 3: Cross multiply
    9,287.03x = 13,928.11 × 4,346.84
  4. Step 4: Simplify right side
    9,287.03x = 60,543,265.67
  5. Step 5: Solve for x
    x = 60,543,265.67/9,287.03
  6. Step 6: Final answer
    x = 6,519.12

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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.