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Finding the Fourth Proportional to 5,006.67, 7,509.96 and 3,519.76

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Solution

The fourth proportional to 5,006.67, 7,509.96 and 3,519.76 is: 5,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.67 : 7,509.96 = 3,519.76 : x
  2. Step 2: Convert to fraction form
    5,006.67/7,509.96 = 3,519.76/x
  3. Step 3: Cross multiply
    5,006.67x = 7,509.96 × 3,519.76
  4. Step 4: Simplify right side
    5,006.67x = 26,433,238.03
  5. Step 5: Solve for x
    x = 26,433,238.03/5,006.67
  6. Step 6: Final answer
    x = 5,279.60

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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.