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Finding the Fourth Proportional to 1,887.86, 2,604.97 and 1,048.52

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Solution

The fourth proportional to 1,887.86, 2,604.97 and 1,048.52 is: 1,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.86 : 2,604.97 = 1,048.52 : x
  2. Step 2: Convert to fraction form
    1,887.86/2,604.97 = 1,048.52/x
  3. Step 3: Cross multiply
    1,887.86x = 2,604.97 × 1,048.52
  4. Step 4: Simplify right side
    1,887.86x = 2,731,363.14
  5. Step 5: Solve for x
    x = 2,731,363.14/1,887.86
  6. Step 6: Final answer
    x = 1,446.80

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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.