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Finding the Fourth Proportional to 2,563.02, 3,844.44 and 831.63

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Solution

The fourth proportional to 2,563.02, 3,844.44 and 831.63 is: 1,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.02 : 3,844.44 = 831.63 : x
  2. Step 2: Convert to fraction form
    2,563.02/3,844.44 = 831.63/x
  3. Step 3: Cross multiply
    2,563.02x = 3,844.44 × 831.63
  4. Step 4: Simplify right side
    2,563.02x = 3,197,151.64
  5. Step 5: Solve for x
    x = 3,197,151.64/2,563.02
  6. Step 6: Final answer
    x = 1,247.42

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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.