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Finding the Fourth Proportional to 2,499.65, 3,730.46 and 2,222.87

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Solution

The fourth proportional to 2,499.65, 3,730.46 and 2,222.87 is: 3,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.65 : 3,730.46 = 2,222.87 : x
  2. Step 2: Convert to fraction form
    2,499.65/3,730.46 = 2,222.87/x
  3. Step 3: Cross multiply
    2,499.65x = 3,730.46 × 2,222.87
  4. Step 4: Simplify right side
    2,499.65x = 8,292,297.85
  5. Step 5: Solve for x
    x = 8,292,297.85/2,499.65
  6. Step 6: Final answer
    x = 3,317.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.