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Finding the Fourth Proportional to 1,701.84, 2,553.57 and 836.04

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Solution

The fourth proportional to 1,701.84, 2,553.57 and 836.04 is: 1,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.84 : 2,553.57 = 836.04 : x
  2. Step 2: Convert to fraction form
    1,701.84/2,553.57 = 836.04/x
  3. Step 3: Cross multiply
    1,701.84x = 2,553.57 × 836.04
  4. Step 4: Simplify right side
    1,701.84x = 2,134,886.66
  5. Step 5: Solve for x
    x = 2,134,886.66/1,701.84
  6. Step 6: Final answer
    x = 1,254.46

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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.