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Finding the Fourth Proportional to 1,168.04, 1,612.08 and 695.96

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Solution

The fourth proportional to 1,168.04, 1,612.08 and 695.96 is: 960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.04 : 1,612.08 = 695.96 : x
  2. Step 2: Convert to fraction form
    1,168.04/1,612.08 = 695.96/x
  3. Step 3: Cross multiply
    1,168.04x = 1,612.08 × 695.96
  4. Step 4: Simplify right side
    1,168.04x = 1,121,943.20
  5. Step 5: Solve for x
    x = 1,121,943.20/1,168.04
  6. Step 6: Final answer
    x = 960.53

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1.5x scale

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.