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Finding the Fourth Proportional to 1,937.84, 2,674.25 and 1,098.52

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Solution

The fourth proportional to 1,937.84, 2,674.25 and 1,098.52 is: 1,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.84 : 2,674.25 = 1,098.52 : x
  2. Step 2: Convert to fraction form
    1,937.84/2,674.25 = 1,098.52/x
  3. Step 3: Cross multiply
    1,937.84x = 2,674.25 × 1,098.52
  4. Step 4: Simplify right side
    1,937.84x = 2,937,721.00
  5. Step 5: Solve for x
    x = 2,937,721.00/1,937.84
  6. Step 6: Final answer
    x = 1,515.98

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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.