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Finding the Fourth Proportional to 58,919.82, 81,311.09 and 32,064.08

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Solution

The fourth proportional to 58,919.82, 81,311.09 and 32,064.08 is: 44,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,919.82 : 81,311.09 = 32,064.08 : x
  2. Step 2: Convert to fraction form
    58,919.82/81,311.09 = 32,064.08/x
  3. Step 3: Cross multiply
    58,919.82x = 81,311.09 × 32,064.08
  4. Step 4: Simplify right side
    58,919.82x = 2,607,164,727.77
  5. Step 5: Solve for x
    x = 2,607,164,727.77/58,919.82
  6. Step 6: Final answer
    x = 44,249.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.