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Finding the Fourth Proportional to 7,251.63, 10,877.45 and 3,355.53

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Solution

The fourth proportional to 7,251.63, 10,877.45 and 3,355.53 is: 5,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.63 : 10,877.45 = 3,355.53 : x
  2. Step 2: Convert to fraction form
    7,251.63/10,877.45 = 3,355.53/x
  3. Step 3: Cross multiply
    7,251.63x = 10,877.45 × 3,355.53
  4. Step 4: Simplify right side
    7,251.63x = 36,499,593.02
  5. Step 5: Solve for x
    x = 36,499,593.02/7,251.63
  6. Step 6: Final answer
    x = 5,033.30

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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.