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Finding the Fourth Proportional to 21,960.87, 32,946.63 and 6,165.83

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Solution

The fourth proportional to 21,960.87, 32,946.63 and 6,165.83 is: 9,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.87 : 32,946.63 = 6,165.83 : x
  2. Step 2: Convert to fraction form
    21,960.87/32,946.63 = 6,165.83/x
  3. Step 3: Cross multiply
    21,960.87x = 32,946.63 × 6,165.83
  4. Step 4: Simplify right side
    21,960.87x = 203,143,472.13
  5. Step 5: Solve for x
    x = 203,143,472.13/21,960.87
  6. Step 6: Final answer
    x = 9,250.25

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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.