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Finding the Fourth Proportional to 1,854.60, 2,571.06 and 1,755.96

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Solution

The fourth proportional to 1,854.60, 2,571.06 and 1,755.96 is: 2,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.60 : 2,571.06 = 1,755.96 : x
  2. Step 2: Convert to fraction form
    1,854.60/2,571.06 = 1,755.96/x
  3. Step 3: Cross multiply
    1,854.60x = 2,571.06 × 1,755.96
  4. Step 4: Simplify right side
    1,854.60x = 4,514,678.52
  5. Step 5: Solve for x
    x = 4,514,678.52/1,854.60
  6. Step 6: Final answer
    x = 2,434.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.