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Finding the Fourth Proportional to 3,572.82, 5,359.23 and 3,406.74

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Solution

The fourth proportional to 3,572.82, 5,359.23 and 3,406.74 is: 5,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.82 : 5,359.23 = 3,406.74 : x
  2. Step 2: Convert to fraction form
    3,572.82/5,359.23 = 3,406.74/x
  3. Step 3: Cross multiply
    3,572.82x = 5,359.23 × 3,406.74
  4. Step 4: Simplify right side
    3,572.82x = 18,257,503.21
  5. Step 5: Solve for x
    x = 18,257,503.21/3,572.82
  6. Step 6: Final answer
    x = 5,110.11

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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.