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Finding the Fourth Proportional to 2,523.25, 3,784.92 and 699.25

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Solution

The fourth proportional to 2,523.25, 3,784.92 and 699.25 is: 1,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.25 : 3,784.92 = 699.25 : x
  2. Step 2: Convert to fraction form
    2,523.25/3,784.92 = 699.25/x
  3. Step 3: Cross multiply
    2,523.25x = 3,784.92 × 699.25
  4. Step 4: Simplify right side
    2,523.25x = 2,646,601.81
  5. Step 5: Solve for x
    x = 2,646,601.81/2,523.25
  6. Step 6: Final answer
    x = 1,048.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.