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Finding the Fourth Proportional to 3,227.84, 4,454.56 and 1,830.56

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Solution

The fourth proportional to 3,227.84, 4,454.56 and 1,830.56 is: 2,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.84 : 4,454.56 = 1,830.56 : x
  2. Step 2: Convert to fraction form
    3,227.84/4,454.56 = 1,830.56/x
  3. Step 3: Cross multiply
    3,227.84x = 4,454.56 × 1,830.56
  4. Step 4: Simplify right side
    3,227.84x = 8,154,339.35
  5. Step 5: Solve for x
    x = 8,154,339.35/3,227.84
  6. Step 6: Final answer
    x = 2,526.25

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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.