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Finding the Fourth Proportional to 3,568.74, 5,345.64 and 2,263.74

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Solution

The fourth proportional to 3,568.74, 5,345.64 and 2,263.74 is: 3,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.74 : 5,345.64 = 2,263.74 : x
  2. Step 2: Convert to fraction form
    3,568.74/5,345.64 = 2,263.74/x
  3. Step 3: Cross multiply
    3,568.74x = 5,345.64 × 2,263.74
  4. Step 4: Simplify right side
    3,568.74x = 12,101,139.09
  5. Step 5: Solve for x
    x = 12,101,139.09/3,568.74
  6. Step 6: Final answer
    x = 3,390.87

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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.