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Finding the Fourth Proportional to 3,568.95, 4,914.95 and 2,572.65

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Solution

The fourth proportional to 3,568.95, 4,914.95 and 2,572.65 is: 3,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.95 : 4,914.95 = 2,572.65 : x
  2. Step 2: Convert to fraction form
    3,568.95/4,914.95 = 2,572.65/x
  3. Step 3: Cross multiply
    3,568.95x = 4,914.95 × 2,572.65
  4. Step 4: Simplify right side
    3,568.95x = 12,644,433.25
  5. Step 5: Solve for x
    x = 12,644,433.25/3,568.95
  6. Step 6: Final answer
    x = 3,542.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.