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Finding the Fourth Proportional to 66,054.74, 99,086.82 and 26,612.06

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Solution

The fourth proportional to 66,054.74, 99,086.82 and 26,612.06 is: 39,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054.74 : 99,086.82 = 26,612.06 : x
  2. Step 2: Convert to fraction form
    66,054.74/99,086.82 = 26,612.06/x
  3. Step 3: Cross multiply
    66,054.74x = 99,086.82 × 26,612.06
  4. Step 4: Simplify right side
    66,054.74x = 2,636,904,399.05
  5. Step 5: Solve for x
    x = 2,636,904,399.05/66,054.74
  6. Step 6: Final answer
    x = 39,919.99

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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.