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Finding the Fourth Proportional to 8,840.52, 13,260.90 and 3,646.92

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Solution

The fourth proportional to 8,840.52, 13,260.90 and 3,646.92 is: 5,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.52 : 13,260.90 = 3,646.92 : x
  2. Step 2: Convert to fraction form
    8,840.52/13,260.90 = 3,646.92/x
  3. Step 3: Cross multiply
    8,840.52x = 13,260.90 × 3,646.92
  4. Step 4: Simplify right side
    8,840.52x = 48,361,441.43
  5. Step 5: Solve for x
    x = 48,361,441.43/8,840.52
  6. Step 6: Final answer
    x = 5,470.43

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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.