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Finding the Fourth Proportional to 6,441.92, 8,886.84 and 4,553.52

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Solution

The fourth proportional to 6,441.92, 8,886.84 and 4,553.52 is: 6,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.92 : 8,886.84 = 4,553.52 : x
  2. Step 2: Convert to fraction form
    6,441.92/8,886.84 = 4,553.52/x
  3. Step 3: Cross multiply
    6,441.92x = 8,886.84 × 4,553.52
  4. Step 4: Simplify right side
    6,441.92x = 40,466,403.68
  5. Step 5: Solve for x
    x = 40,466,403.68/6,441.92
  6. Step 6: Final answer
    x = 6,281.73

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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.