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Finding the Fourth Proportional to 1,937.93, 2,674.28 and 1,053.68

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Solution

The fourth proportional to 1,937.93, 2,674.28 and 1,053.68 is: 1,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.93 : 2,674.28 = 1,053.68 : x
  2. Step 2: Convert to fraction form
    1,937.93/2,674.28 = 1,053.68/x
  3. Step 3: Cross multiply
    1,937.93x = 2,674.28 × 1,053.68
  4. Step 4: Simplify right side
    1,937.93x = 2,817,824.61
  5. Step 5: Solve for x
    x = 2,817,824.61/1,937.93
  6. Step 6: Final answer
    x = 1,454.04

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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.