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Finding the Fourth Proportional to 1,894.62, 2,614.17 and 1,148.99

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Solution

The fourth proportional to 1,894.62, 2,614.17 and 1,148.99 is: 1,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.62 : 2,614.17 = 1,148.99 : x
  2. Step 2: Convert to fraction form
    1,894.62/2,614.17 = 1,148.99/x
  3. Step 3: Cross multiply
    1,894.62x = 2,614.17 × 1,148.99
  4. Step 4: Simplify right side
    1,894.62x = 3,003,642.12
  5. Step 5: Solve for x
    x = 3,003,642.12/1,894.62
  6. Step 6: Final answer
    x = 1,585.35

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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.