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Finding the Fourth Proportional to 1,410.24, 2,112.62 and 792.06

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Solution

The fourth proportional to 1,410.24, 2,112.62 and 792.06 is: 1,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.24 : 2,112.62 = 792.06 : x
  2. Step 2: Convert to fraction form
    1,410.24/2,112.62 = 792.06/x
  3. Step 3: Cross multiply
    1,410.24x = 2,112.62 × 792.06
  4. Step 4: Simplify right side
    1,410.24x = 1,673,321.80
  5. Step 5: Solve for x
    x = 1,673,321.80/1,410.24
  6. Step 6: Final answer
    x = 1,186.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.