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Finding the Fourth Proportional to 3,354.88, 4,631.08 and 3,266.56

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Solution

The fourth proportional to 3,354.88, 4,631.08 and 3,266.56 is: 4,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.88 : 4,631.08 = 3,266.56 : x
  2. Step 2: Convert to fraction form
    3,354.88/4,631.08 = 3,266.56/x
  3. Step 3: Cross multiply
    3,354.88x = 4,631.08 × 3,266.56
  4. Step 4: Simplify right side
    3,354.88x = 15,127,700.68
  5. Step 5: Solve for x
    x = 15,127,700.68/3,354.88
  6. Step 6: Final answer
    x = 4,509.16

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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.