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Finding the Fourth Proportional to 22,061.51, 33,108.68 and 8,914.00

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Solution

The fourth proportional to 22,061.51, 33,108.68 and 8,914.00 is: 13,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,061.51 : 33,108.68 = 8,914.00 : x
  2. Step 2: Convert to fraction form
    22,061.51/33,108.68 = 8,914.00/x
  3. Step 3: Cross multiply
    22,061.51x = 33,108.68 × 8,914.00
  4. Step 4: Simplify right side
    22,061.51x = 295,130,646.18
  5. Step 5: Solve for x
    x = 295,130,646.18/22,061.51
  6. Step 6: Final answer
    x = 13,377.63

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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.