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Finding the Fourth Proportional to 1,874.97, 2,810.60 and 1,053.93

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Solution

The fourth proportional to 1,874.97, 2,810.60 and 1,053.93 is: 1,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.97 : 2,810.60 = 1,053.93 : x
  2. Step 2: Convert to fraction form
    1,874.97/2,810.60 = 1,053.93/x
  3. Step 3: Cross multiply
    1,874.97x = 2,810.60 × 1,053.93
  4. Step 4: Simplify right side
    1,874.97x = 2,962,170.39
  5. Step 5: Solve for x
    x = 2,962,170.39/1,874.97
  6. Step 6: Final answer
    x = 1,579.85

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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.