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Finding the Fourth Proportional to 5,433.92, 7,498.72 and 2,949.92

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Solution

The fourth proportional to 5,433.92, 7,498.72 and 2,949.92 is: 4,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.92 : 7,498.72 = 2,949.92 : x
  2. Step 2: Convert to fraction form
    5,433.92/7,498.72 = 2,949.92/x
  3. Step 3: Cross multiply
    5,433.92x = 7,498.72 × 2,949.92
  4. Step 4: Simplify right side
    5,433.92x = 22,120,624.10
  5. Step 5: Solve for x
    x = 22,120,624.10/5,433.92
  6. Step 6: Final answer
    x = 4,070.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.