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Finding the Fourth Proportional to 2,614.56, 3,609.28 and 1,671.64

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Solution

The fourth proportional to 2,614.56, 3,609.28 and 1,671.64 is: 2,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.56 : 3,609.28 = 1,671.64 : x
  2. Step 2: Convert to fraction form
    2,614.56/3,609.28 = 1,671.64/x
  3. Step 3: Cross multiply
    2,614.56x = 3,609.28 × 1,671.64
  4. Step 4: Simplify right side
    2,614.56x = 6,033,416.82
  5. Step 5: Solve for x
    x = 6,033,416.82/2,614.56
  6. Step 6: Final answer
    x = 2,307.62

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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.