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Finding the Fourth Proportional to 22,220, 33,334.48 and 9,908

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Solution

The fourth proportional to 22,220, 33,334.48 and 9,908 is: 14,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220 : 33,334.48 = 9,908 : x
  2. Step 2: Convert to fraction form
    22,220/33,334.48 = 9,908/x
  3. Step 3: Cross multiply
    22,220x = 33,334.48 × 9,908
  4. Step 4: Simplify right side
    22,220x = 330,278,027.84
  5. Step 5: Solve for x
    x = 330,278,027.84/22,220
  6. Step 6: Final answer
    x = 14,864.00

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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.