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Finding the Fourth Proportional to 1,582.34, 2,183.76 and 952.97

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Solution

The fourth proportional to 1,582.34, 2,183.76 and 952.97 is: 1,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.34 : 2,183.76 = 952.97 : x
  2. Step 2: Convert to fraction form
    1,582.34/2,183.76 = 952.97/x
  3. Step 3: Cross multiply
    1,582.34x = 2,183.76 × 952.97
  4. Step 4: Simplify right side
    1,582.34x = 2,081,046.85
  5. Step 5: Solve for x
    x = 2,081,046.85/1,582.34
  6. Step 6: Final answer
    x = 1,315.17

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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.