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Finding the Fourth Proportional to 3,376.79, 5,065.13 and 1,732.39

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Solution

The fourth proportional to 3,376.79, 5,065.13 and 1,732.39 is: 2,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.79 : 5,065.13 = 1,732.39 : x
  2. Step 2: Convert to fraction form
    3,376.79/5,065.13 = 1,732.39/x
  3. Step 3: Cross multiply
    3,376.79x = 5,065.13 × 1,732.39
  4. Step 4: Simplify right side
    3,376.79x = 8,774,772.23
  5. Step 5: Solve for x
    x = 8,774,772.23/3,376.79
  6. Step 6: Final answer
    x = 2,598.56

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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.