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Finding the Fourth Proportional to 21,995.30, 32,992.15 and 8,844.10

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Solution

The fourth proportional to 21,995.30, 32,992.15 and 8,844.10 is: 13,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.30 : 32,992.15 = 8,844.10 : x
  2. Step 2: Convert to fraction form
    21,995.30/32,992.15 = 8,844.10/x
  3. Step 3: Cross multiply
    21,995.30x = 32,992.15 × 8,844.10
  4. Step 4: Simplify right side
    21,995.30x = 291,785,873.82
  5. Step 5: Solve for x
    x = 291,785,873.82/21,995.30
  6. Step 6: Final answer
    x = 13,265.83

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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.