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Finding the Fourth Proportional to 10,352.10, 15,532.20 and 3,778.95

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Solution

The fourth proportional to 10,352.10, 15,532.20 and 3,778.95 is: 5,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.10 : 15,532.20 = 3,778.95 : x
  2. Step 2: Convert to fraction form
    10,352.10/15,532.20 = 3,778.95/x
  3. Step 3: Cross multiply
    10,352.10x = 15,532.20 × 3,778.95
  4. Step 4: Simplify right side
    10,352.10x = 58,695,407.19
  5. Step 5: Solve for x
    x = 58,695,407.19/10,352.10
  6. Step 6: Final answer
    x = 5,669.90

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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.