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Finding the Fourth Proportional to 1,582.24, 2,182.98 and 952.60

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Solution

The fourth proportional to 1,582.24, 2,182.98 and 952.60 is: 1,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.24 : 2,182.98 = 952.60 : x
  2. Step 2: Convert to fraction form
    1,582.24/2,182.98 = 952.60/x
  3. Step 3: Cross multiply
    1,582.24x = 2,182.98 × 952.60
  4. Step 4: Simplify right side
    1,582.24x = 2,079,506.75
  5. Step 5: Solve for x
    x = 2,079,506.75/1,582.24
  6. Step 6: Final answer
    x = 1,314.28

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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.