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Finding the Fourth Proportional to 1,095.30, 1,514.43 and 956.97

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Solution

The fourth proportional to 1,095.30, 1,514.43 and 956.97 is: 1,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.30 : 1,514.43 = 956.97 : x
  2. Step 2: Convert to fraction form
    1,095.30/1,514.43 = 956.97/x
  3. Step 3: Cross multiply
    1,095.30x = 1,514.43 × 956.97
  4. Step 4: Simplify right side
    1,095.30x = 1,449,264.08
  5. Step 5: Solve for x
    x = 1,449,264.08/1,095.30
  6. Step 6: Final answer
    x = 1,323.17

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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.