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Finding the Fourth Proportional to 1,786.88, 2,465.87 and 1,041.27

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Solution

The fourth proportional to 1,786.88, 2,465.87 and 1,041.27 is: 1,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.88 : 2,465.87 = 1,041.27 : x
  2. Step 2: Convert to fraction form
    1,786.88/2,465.87 = 1,041.27/x
  3. Step 3: Cross multiply
    1,786.88x = 2,465.87 × 1,041.27
  4. Step 4: Simplify right side
    1,786.88x = 2,567,631.25
  5. Step 5: Solve for x
    x = 2,567,631.25/1,786.88
  6. Step 6: Final answer
    x = 1,436.94

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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.