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Finding the Fourth Proportional to 66,480.84, 99,699.54 and 22,095.66

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Solution

The fourth proportional to 66,480.84, 99,699.54 and 22,095.66 is: 33,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.84 : 99,699.54 = 22,095.66 : x
  2. Step 2: Convert to fraction form
    66,480.84/99,699.54 = 22,095.66/x
  3. Step 3: Cross multiply
    66,480.84x = 99,699.54 × 22,095.66
  4. Step 4: Simplify right side
    66,480.84x = 2,202,927,138.00
  5. Step 5: Solve for x
    x = 2,202,927,138.00/66,480.84
  6. Step 6: Final answer
    x = 33,136.27

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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.