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Finding the Fourth Proportional to 5,661.55, 8,493.54 and 2,372.95

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Solution

The fourth proportional to 5,661.55, 8,493.54 and 2,372.95 is: 3,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.55 : 8,493.54 = 2,372.95 : x
  2. Step 2: Convert to fraction form
    5,661.55/8,493.54 = 2,372.95/x
  3. Step 3: Cross multiply
    5,661.55x = 8,493.54 × 2,372.95
  4. Step 4: Simplify right side
    5,661.55x = 20,154,745.74
  5. Step 5: Solve for x
    x = 20,154,745.74/5,661.55
  6. Step 6: Final answer
    x = 3,559.93

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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.