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Finding the Fourth Proportional to 3,563.77, 5,345.66 and 966.71

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Solution

The fourth proportional to 3,563.77, 5,345.66 and 966.71 is: 1,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.77 : 5,345.66 = 966.71 : x
  2. Step 2: Convert to fraction form
    3,563.77/5,345.66 = 966.71/x
  3. Step 3: Cross multiply
    3,563.77x = 5,345.66 × 966.71
  4. Step 4: Simplify right side
    3,563.77x = 5,167,702.98
  5. Step 5: Solve for x
    x = 5,167,702.98/3,563.77
  6. Step 6: Final answer
    x = 1,450.07

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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.