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Finding the Fourth Proportional to 2,366.88, 3,265.81 and 1,318.92

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Solution

The fourth proportional to 2,366.88, 3,265.81 and 1,318.92 is: 1,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.88 : 3,265.81 = 1,318.92 : x
  2. Step 2: Convert to fraction form
    2,366.88/3,265.81 = 1,318.92/x
  3. Step 3: Cross multiply
    2,366.88x = 3,265.81 × 1,318.92
  4. Step 4: Simplify right side
    2,366.88x = 4,307,342.13
  5. Step 5: Solve for x
    x = 4,307,342.13/2,366.88
  6. Step 6: Final answer
    x = 1,819.84

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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.