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Finding the Fourth Proportional to 2,377.73, 3,566.56 and 817.76

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Solution

The fourth proportional to 2,377.73, 3,566.56 and 817.76 is: 1,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.73 : 3,566.56 = 817.76 : x
  2. Step 2: Convert to fraction form
    2,377.73/3,566.56 = 817.76/x
  3. Step 3: Cross multiply
    2,377.73x = 3,566.56 × 817.76
  4. Step 4: Simplify right side
    2,377.73x = 2,916,590.11
  5. Step 5: Solve for x
    x = 2,916,590.11/2,377.73
  6. Step 6: Final answer
    x = 1,226.63

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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.