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Finding the Fourth Proportional to 2,937.63, 4,054.08 and 1,819.17

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Solution

The fourth proportional to 2,937.63, 4,054.08 and 1,819.17 is: 2,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.63 : 4,054.08 = 1,819.17 : x
  2. Step 2: Convert to fraction form
    2,937.63/4,054.08 = 1,819.17/x
  3. Step 3: Cross multiply
    2,937.63x = 4,054.08 × 1,819.17
  4. Step 4: Simplify right side
    2,937.63x = 7,375,060.71
  5. Step 5: Solve for x
    x = 7,375,060.71/2,937.63
  6. Step 6: Final answer
    x = 2,510.55

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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.