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Finding the Fourth Proportional to 1,168.16, 1,612.31 and 795.15

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Solution

The fourth proportional to 1,168.16, 1,612.31 and 795.15 is: 1,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.16 : 1,612.31 = 795.15 : x
  2. Step 2: Convert to fraction form
    1,168.16/1,612.31 = 795.15/x
  3. Step 3: Cross multiply
    1,168.16x = 1,612.31 × 795.15
  4. Step 4: Simplify right side
    1,168.16x = 1,282,024.32
  5. Step 5: Solve for x
    x = 1,282,024.32/1,168.16
  6. Step 6: Final answer
    x = 1,097.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.