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Finding the Fourth Proportional to 81,995.06, 122,992.74 and 22,830.73

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Solution

The fourth proportional to 81,995.06, 122,992.74 and 22,830.73 is: 34,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,995.06 : 122,992.74 = 22,830.73 : x
  2. Step 2: Convert to fraction form
    81,995.06/122,992.74 = 22,830.73/x
  3. Step 3: Cross multiply
    81,995.06x = 122,992.74 × 22,830.73
  4. Step 4: Simplify right side
    81,995.06x = 2,808,013,731.42
  5. Step 5: Solve for x
    x = 2,808,013,731.42/81,995.06
  6. Step 6: Final answer
    x = 34,246.13

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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.