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Finding the Fourth Proportional to 3,099.84, 4,655.52 and 2,074.56

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Solution

The fourth proportional to 3,099.84, 4,655.52 and 2,074.56 is: 3,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.84 : 4,655.52 = 2,074.56 : x
  2. Step 2: Convert to fraction form
    3,099.84/4,655.52 = 2,074.56/x
  3. Step 3: Cross multiply
    3,099.84x = 4,655.52 × 2,074.56
  4. Step 4: Simplify right side
    3,099.84x = 9,658,155.57
  5. Step 5: Solve for x
    x = 9,658,155.57/3,099.84
  6. Step 6: Final answer
    x = 3,115.69

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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.