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Finding the Fourth Proportional to 22,291.66, 33,440.73 and 11,897.74

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Solution

The fourth proportional to 22,291.66, 33,440.73 and 11,897.74 is: 17,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.66 : 33,440.73 = 11,897.74 : x
  2. Step 2: Convert to fraction form
    22,291.66/33,440.73 = 11,897.74/x
  3. Step 3: Cross multiply
    22,291.66x = 33,440.73 × 11,897.74
  4. Step 4: Simplify right side
    22,291.66x = 397,869,110.95
  5. Step 5: Solve for x
    x = 397,869,110.95/22,291.66
  6. Step 6: Final answer
    x = 17,848.34

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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.