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Finding the Fourth Proportional to 2,937.80, 4,406.24 and 963.63

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Solution

The fourth proportional to 2,937.80, 4,406.24 and 963.63 is: 1,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.80 : 4,406.24 = 963.63 : x
  2. Step 2: Convert to fraction form
    2,937.80/4,406.24 = 963.63/x
  3. Step 3: Cross multiply
    2,937.80x = 4,406.24 × 963.63
  4. Step 4: Simplify right side
    2,937.80x = 4,246,003.98
  5. Step 5: Solve for x
    x = 4,246,003.98/2,937.80
  6. Step 6: Final answer
    x = 1,445.30

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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.