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Finding the Fourth Proportional to 3,553.97, 5,330.99 and 2,895.08

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Solution

The fourth proportional to 3,553.97, 5,330.99 and 2,895.08 is: 4,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.97 : 5,330.99 = 2,895.08 : x
  2. Step 2: Convert to fraction form
    3,553.97/5,330.99 = 2,895.08/x
  3. Step 3: Cross multiply
    3,553.97x = 5,330.99 × 2,895.08
  4. Step 4: Simplify right side
    3,553.97x = 15,433,601.40
  5. Step 5: Solve for x
    x = 15,433,601.40/3,553.97
  6. Step 6: Final answer
    x = 4,342.64

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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.