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Finding the Fourth Proportional to 2,966.07, 4,448.48 and 1,908.71

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Solution

The fourth proportional to 2,966.07, 4,448.48 and 1,908.71 is: 2,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.07 : 4,448.48 = 1,908.71 : x
  2. Step 2: Convert to fraction form
    2,966.07/4,448.48 = 1,908.71/x
  3. Step 3: Cross multiply
    2,966.07x = 4,448.48 × 1,908.71
  4. Step 4: Simplify right side
    2,966.07x = 8,490,826.47
  5. Step 5: Solve for x
    x = 8,490,826.47/2,966.07
  6. Step 6: Final answer
    x = 2,862.65

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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.