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Finding the Fourth Proportional to 1,460.66, 2,015.75 and 797.54

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Solution

The fourth proportional to 1,460.66, 2,015.75 and 797.54 is: 1,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.66 : 2,015.75 = 797.54 : x
  2. Step 2: Convert to fraction form
    1,460.66/2,015.75 = 797.54/x
  3. Step 3: Cross multiply
    1,460.66x = 2,015.75 × 797.54
  4. Step 4: Simplify right side
    1,460.66x = 1,607,633.17
  5. Step 5: Solve for x
    x = 1,607,633.17/1,460.66
  6. Step 6: Final answer
    x = 1,100.62

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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.