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Finding the Fourth Proportional to 5,000.91, 7,502.75 and 2,189.24

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Solution

The fourth proportional to 5,000.91, 7,502.75 and 2,189.24 is: 3,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.91 : 7,502.75 = 2,189.24 : x
  2. Step 2: Convert to fraction form
    5,000.91/7,502.75 = 2,189.24/x
  3. Step 3: Cross multiply
    5,000.91x = 7,502.75 × 2,189.24
  4. Step 4: Simplify right side
    5,000.91x = 16,425,320.41
  5. Step 5: Solve for x
    x = 16,425,320.41/5,000.91
  6. Step 6: Final answer
    x = 3,284.47

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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.