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Finding the Fourth Proportional to 3,099.85, 4,275.85 and 2,037.67

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Solution

The fourth proportional to 3,099.85, 4,275.85 and 2,037.67 is: 2,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.85 : 4,275.85 = 2,037.67 : x
  2. Step 2: Convert to fraction form
    3,099.85/4,275.85 = 2,037.67/x
  3. Step 3: Cross multiply
    3,099.85x = 4,275.85 × 2,037.67
  4. Step 4: Simplify right side
    3,099.85x = 8,712,771.27
  5. Step 5: Solve for x
    x = 8,712,771.27/3,099.85
  6. Step 6: Final answer
    x = 2,810.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.