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Finding the Fourth Proportional to 5,313.48, 7,974.54 and 2,717.16

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Solution

The fourth proportional to 5,313.48, 7,974.54 and 2,717.16 is: 4,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.48 : 7,974.54 = 2,717.16 : x
  2. Step 2: Convert to fraction form
    5,313.48/7,974.54 = 2,717.16/x
  3. Step 3: Cross multiply
    5,313.48x = 7,974.54 × 2,717.16
  4. Step 4: Simplify right side
    5,313.48x = 21,668,101.11
  5. Step 5: Solve for x
    x = 21,668,101.11/5,313.48
  6. Step 6: Final answer
    x = 4,077.95

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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.