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Finding the Fourth Proportional to 2,377.92, 3,567.23 and 818.32

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Solution

The fourth proportional to 2,377.92, 3,567.23 and 818.32 is: 1,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.92 : 3,567.23 = 818.32 : x
  2. Step 2: Convert to fraction form
    2,377.92/3,567.23 = 818.32/x
  3. Step 3: Cross multiply
    2,377.92x = 3,567.23 × 818.32
  4. Step 4: Simplify right side
    2,377.92x = 2,919,135.65
  5. Step 5: Solve for x
    x = 2,919,135.65/2,377.92
  6. Step 6: Final answer
    x = 1,227.60

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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.