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Finding the Fourth Proportional to 33,155.87, 49,748.85 and 30,352.85

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Solution

The fourth proportional to 33,155.87, 49,748.85 and 30,352.85 is: 45,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.87 : 49,748.85 = 30,352.85 : x
  2. Step 2: Convert to fraction form
    33,155.87/49,748.85 = 30,352.85/x
  3. Step 3: Cross multiply
    33,155.87x = 49,748.85 × 30,352.85
  4. Step 4: Simplify right side
    33,155.87x = 1,510,019,381.72
  5. Step 5: Solve for x
    x = 1,510,019,381.72/33,155.87
  6. Step 6: Final answer
    x = 45,543.05

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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.