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Finding the Fourth Proportional to 5,715.84, 8,568.84 and 2,203.92

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Solution

The fourth proportional to 5,715.84, 8,568.84 and 2,203.92 is: 3,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.84 : 8,568.84 = 2,203.92 : x
  2. Step 2: Convert to fraction form
    5,715.84/8,568.84 = 2,203.92/x
  3. Step 3: Cross multiply
    5,715.84x = 8,568.84 × 2,203.92
  4. Step 4: Simplify right side
    5,715.84x = 18,885,037.85
  5. Step 5: Solve for x
    x = 18,885,037.85/5,715.84
  6. Step 6: Final answer
    x = 3,303.98

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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.