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Finding the Fourth Proportional to 5,332.92, 7,974.60 and 4,751.28

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Solution

The fourth proportional to 5,332.92, 7,974.60 and 4,751.28 is: 7,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.92 : 7,974.60 = 4,751.28 : x
  2. Step 2: Convert to fraction form
    5,332.92/7,974.60 = 4,751.28/x
  3. Step 3: Cross multiply
    5,332.92x = 7,974.60 × 4,751.28
  4. Step 4: Simplify right side
    5,332.92x = 37,889,557.49
  5. Step 5: Solve for x
    x = 37,889,557.49/5,332.92
  6. Step 6: Final answer
    x = 7,104.84

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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.