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Finding the Fourth Proportional to 7,339.92, 11,015.28 and 4,873.92

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Solution

The fourth proportional to 7,339.92, 11,015.28 and 4,873.92 is: 7,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.92 : 11,015.28 = 4,873.92 : x
  2. Step 2: Convert to fraction form
    7,339.92/11,015.28 = 4,873.92/x
  3. Step 3: Cross multiply
    7,339.92x = 11,015.28 × 4,873.92
  4. Step 4: Simplify right side
    7,339.92x = 53,687,593.50
  5. Step 5: Solve for x
    x = 53,687,593.50/7,339.92
  6. Step 6: Final answer
    x = 7,314.47

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1.5x scale

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.