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Finding the Fourth Proportional to 4,998.66, 7,491.21 and 2,772.24

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Solution

The fourth proportional to 4,998.66, 7,491.21 and 2,772.24 is: 4,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.66 : 7,491.21 = 2,772.24 : x
  2. Step 2: Convert to fraction form
    4,998.66/7,491.21 = 2,772.24/x
  3. Step 3: Cross multiply
    4,998.66x = 7,491.21 × 2,772.24
  4. Step 4: Simplify right side
    4,998.66x = 20,767,432.01
  5. Step 5: Solve for x
    x = 20,767,432.01/4,998.66
  6. Step 6: Final answer
    x = 4,154.60

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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.