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Finding the Fourth Proportional to 3,155.37, 4,733.52 and 963.81

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Solution

The fourth proportional to 3,155.37, 4,733.52 and 963.81 is: 1,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.37 : 4,733.52 = 963.81 : x
  2. Step 2: Convert to fraction form
    3,155.37/4,733.52 = 963.81/x
  3. Step 3: Cross multiply
    3,155.37x = 4,733.52 × 963.81
  4. Step 4: Simplify right side
    3,155.37x = 4,562,213.91
  5. Step 5: Solve for x
    x = 4,562,213.91/3,155.37
  6. Step 6: Final answer
    x = 1,445.86

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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.