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Finding the Fourth Proportional to 1,460.46, 2,015.36 and 797.32

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Solution

The fourth proportional to 1,460.46, 2,015.36 and 797.32 is: 1,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.46 : 2,015.36 = 797.32 : x
  2. Step 2: Convert to fraction form
    1,460.46/2,015.36 = 797.32/x
  3. Step 3: Cross multiply
    1,460.46x = 2,015.36 × 797.32
  4. Step 4: Simplify right side
    1,460.46x = 1,606,886.84
  5. Step 5: Solve for x
    x = 1,606,886.84/1,460.46
  6. Step 6: Final answer
    x = 1,100.26

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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.