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Finding the Fourth Proportional to 1,468.80, 2,027.36 and 1,026.81

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Solution

The fourth proportional to 1,468.80, 2,027.36 and 1,026.81 is: 1,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.80 : 2,027.36 = 1,026.81 : x
  2. Step 2: Convert to fraction form
    1,468.80/2,027.36 = 1,026.81/x
  3. Step 3: Cross multiply
    1,468.80x = 2,027.36 × 1,026.81
  4. Step 4: Simplify right side
    1,468.80x = 2,081,716.09
  5. Step 5: Solve for x
    x = 2,081,716.09/1,468.80
  6. Step 6: Final answer
    x = 1,417.29

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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.