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Finding the Fourth Proportional to 2,963.68, 4,444.07 and 1,731.40

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Solution

The fourth proportional to 2,963.68, 4,444.07 and 1,731.40 is: 2,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.68 : 4,444.07 = 1,731.40 : x
  2. Step 2: Convert to fraction form
    2,963.68/4,444.07 = 1,731.40/x
  3. Step 3: Cross multiply
    2,963.68x = 4,444.07 × 1,731.40
  4. Step 4: Simplify right side
    2,963.68x = 7,694,462.80
  5. Step 5: Solve for x
    x = 7,694,462.80/2,963.68
  6. Step 6: Final answer
    x = 2,596.25

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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.