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Finding the Fourth Proportional to 1,876.11, 2,590.02 and 1,168.17

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Solution

The fourth proportional to 1,876.11, 2,590.02 and 1,168.17 is: 1,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.11 : 2,590.02 = 1,168.17 : x
  2. Step 2: Convert to fraction form
    1,876.11/2,590.02 = 1,168.17/x
  3. Step 3: Cross multiply
    1,876.11x = 2,590.02 × 1,168.17
  4. Step 4: Simplify right side
    1,876.11x = 3,025,583.66
  5. Step 5: Solve for x
    x = 3,025,583.66/1,876.11
  6. Step 6: Final answer
    x = 1,612.69

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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.