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Finding the Fourth Proportional to 3,770.50, 5,658.49 and 2,652.57

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Solution

The fourth proportional to 3,770.50, 5,658.49 and 2,652.57 is: 3,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.50 : 5,658.49 = 2,652.57 : x
  2. Step 2: Convert to fraction form
    3,770.50/5,658.49 = 2,652.57/x
  3. Step 3: Cross multiply
    3,770.50x = 5,658.49 × 2,652.57
  4. Step 4: Simplify right side
    3,770.50x = 15,009,526.67
  5. Step 5: Solve for x
    x = 15,009,526.67/3,770.50
  6. Step 6: Final answer
    x = 3,980.78

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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.