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Finding the Fourth Proportional to 7,346.92, 11,020.47 and 2,152.90

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Solution

The fourth proportional to 7,346.92, 11,020.47 and 2,152.90 is: 3,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.92 : 11,020.47 = 2,152.90 : x
  2. Step 2: Convert to fraction form
    7,346.92/11,020.47 = 2,152.90/x
  3. Step 3: Cross multiply
    7,346.92x = 11,020.47 × 2,152.90
  4. Step 4: Simplify right side
    7,346.92x = 23,725,969.86
  5. Step 5: Solve for x
    x = 23,725,969.86/7,346.92
  6. Step 6: Final answer
    x = 3,229.38

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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.