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Finding the Fourth Proportional to 3,555.84, 5,330.88 and 1,363.44

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Solution

The fourth proportional to 3,555.84, 5,330.88 and 1,363.44 is: 2,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.84 : 5,330.88 = 1,363.44 : x
  2. Step 2: Convert to fraction form
    3,555.84/5,330.88 = 1,363.44/x
  3. Step 3: Cross multiply
    3,555.84x = 5,330.88 × 1,363.44
  4. Step 4: Simplify right side
    3,555.84x = 7,268,335.03
  5. Step 5: Solve for x
    x = 7,268,335.03/3,555.84
  6. Step 6: Final answer
    x = 2,044.06

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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.