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Finding the Fourth Proportional to 5,502.64, 8,253.86 and 2,215.65

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Solution

The fourth proportional to 5,502.64, 8,253.86 and 2,215.65 is: 3,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.64 : 8,253.86 = 2,215.65 : x
  2. Step 2: Convert to fraction form
    5,502.64/8,253.86 = 2,215.65/x
  3. Step 3: Cross multiply
    5,502.64x = 8,253.86 × 2,215.65
  4. Step 4: Simplify right side
    5,502.64x = 18,287,664.91
  5. Step 5: Solve for x
    x = 18,287,664.91/5,502.64
  6. Step 6: Final answer
    x = 3,323.44

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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.