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Finding the Fourth Proportional to 58,294.32, 80,453.52 and 33,138.96

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Solution

The fourth proportional to 58,294.32, 80,453.52 and 33,138.96 is: 45,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,294.32 : 80,453.52 = 33,138.96 : x
  2. Step 2: Convert to fraction form
    58,294.32/80,453.52 = 33,138.96/x
  3. Step 3: Cross multiply
    58,294.32x = 80,453.52 × 33,138.96
  4. Step 4: Simplify right side
    58,294.32x = 2,666,145,981.14
  5. Step 5: Solve for x
    x = 2,666,145,981.14/58,294.32
  6. Step 6: Final answer
    x = 45,735.95

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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.