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Finding the Fourth Proportional to 21,944.77, 32,908.95 and 6,950.16

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Solution

The fourth proportional to 21,944.77, 32,908.95 and 6,950.16 is: 10,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.77 : 32,908.95 = 6,950.16 : x
  2. Step 2: Convert to fraction form
    21,944.77/32,908.95 = 6,950.16/x
  3. Step 3: Cross multiply
    21,944.77x = 32,908.95 × 6,950.16
  4. Step 4: Simplify right side
    21,944.77x = 228,722,467.93
  5. Step 5: Solve for x
    x = 228,722,467.93/21,944.77
  6. Step 6: Final answer
    x = 10,422.64

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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.