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Finding the Fourth Proportional to 1,463.08, 2,193.36 and 712.22

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Solution

The fourth proportional to 1,463.08, 2,193.36 and 712.22 is: 1,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.08 : 2,193.36 = 712.22 : x
  2. Step 2: Convert to fraction form
    1,463.08/2,193.36 = 712.22/x
  3. Step 3: Cross multiply
    1,463.08x = 2,193.36 × 712.22
  4. Step 4: Simplify right side
    1,463.08x = 1,562,154.86
  5. Step 5: Solve for x
    x = 1,562,154.86/1,463.08
  6. Step 6: Final answer
    x = 1,067.72

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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.