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Finding the Fourth Proportional to 3,294.16, 4,544.76 and 1,896.64

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Solution

The fourth proportional to 3,294.16, 4,544.76 and 1,896.64 is: 2,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.16 : 4,544.76 = 1,896.64 : x
  2. Step 2: Convert to fraction form
    3,294.16/4,544.76 = 1,896.64/x
  3. Step 3: Cross multiply
    3,294.16x = 4,544.76 × 1,896.64
  4. Step 4: Simplify right side
    3,294.16x = 8,619,773.61
  5. Step 5: Solve for x
    x = 8,619,773.61/3,294.16
  6. Step 6: Final answer
    x = 2,616.68

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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.