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Finding the Fourth Proportional to 22,992.44, 34,470.18 and 12,991.01

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Solution

The fourth proportional to 22,992.44, 34,470.18 and 12,991.01 is: 19,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.44 : 34,470.18 = 12,991.01 : x
  2. Step 2: Convert to fraction form
    22,992.44/34,470.18 = 12,991.01/x
  3. Step 3: Cross multiply
    22,992.44x = 34,470.18 × 12,991.01
  4. Step 4: Simplify right side
    22,992.44x = 447,802,632.35
  5. Step 5: Solve for x
    x = 447,802,632.35/22,992.44
  6. Step 6: Final answer
    x = 19,476.08

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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.