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Finding the Fourth Proportional to 7,371.34, 11,035.29 and 4,867.93

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Solution

The fourth proportional to 7,371.34, 11,035.29 and 4,867.93 is: 7,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.34 : 11,035.29 = 4,867.93 : x
  2. Step 2: Convert to fraction form
    7,371.34/11,035.29 = 4,867.93/x
  3. Step 3: Cross multiply
    7,371.34x = 11,035.29 × 4,867.93
  4. Step 4: Simplify right side
    7,371.34x = 53,719,023.92
  5. Step 5: Solve for x
    x = 53,719,023.92/7,371.34
  6. Step 6: Final answer
    x = 7,287.55

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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.