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Finding the Fourth Proportional to 1,887.70, 2,607.65 and 1,795.44

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Solution

The fourth proportional to 1,887.70, 2,607.65 and 1,795.44 is: 2,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.70 : 2,607.65 = 1,795.44 : x
  2. Step 2: Convert to fraction form
    1,887.70/2,607.65 = 1,795.44/x
  3. Step 3: Cross multiply
    1,887.70x = 2,607.65 × 1,795.44
  4. Step 4: Simplify right side
    1,887.70x = 4,681,879.12
  5. Step 5: Solve for x
    x = 4,681,879.12/1,887.70
  6. Step 6: Final answer
    x = 2,480.20

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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.