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Finding the Fourth Proportional to 58,774.32, 81,107.91 and 33,279.99

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Solution

The fourth proportional to 58,774.32, 81,107.91 and 33,279.99 is: 45,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.32 : 81,107.91 = 33,279.99 : x
  2. Step 2: Convert to fraction form
    58,774.32/81,107.91 = 33,279.99/x
  3. Step 3: Cross multiply
    58,774.32x = 81,107.91 × 33,279.99
  4. Step 4: Simplify right side
    58,774.32x = 2,699,270,433.72
  5. Step 5: Solve for x
    x = 2,699,270,433.72/58,774.32
  6. Step 6: Final answer
    x = 45,926.02

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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.