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Finding the Fourth Proportional to 66,927.93, 100,386.39 and 22,553.70

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Solution

The fourth proportional to 66,927.93, 100,386.39 and 22,553.70 is: 33,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.93 : 100,386.39 = 22,553.70 : x
  2. Step 2: Convert to fraction form
    66,927.93/100,386.39 = 22,553.70/x
  3. Step 3: Cross multiply
    66,927.93x = 100,386.39 × 22,553.70
  4. Step 4: Simplify right side
    66,927.93x = 2,264,084,524.14
  5. Step 5: Solve for x
    x = 2,264,084,524.14/66,927.93
  6. Step 6: Final answer
    x = 33,828.69

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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.