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Finding the Fourth Proportional to 1,468.54, 2,026.50 and 879.07

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Solution

The fourth proportional to 1,468.54, 2,026.50 and 879.07 is: 1,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.54 : 2,026.50 = 879.07 : x
  2. Step 2: Convert to fraction form
    1,468.54/2,026.50 = 879.07/x
  3. Step 3: Cross multiply
    1,468.54x = 2,026.50 × 879.07
  4. Step 4: Simplify right side
    1,468.54x = 1,781,435.36
  5. Step 5: Solve for x
    x = 1,781,435.36/1,468.54
  6. Step 6: Final answer
    x = 1,213.07

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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.