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Finding the Fourth Proportional to 58,634.40, 87,879.42 and 33,355.08

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Solution

The fourth proportional to 58,634.40, 87,879.42 and 33,355.08 is: 49,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,634.40 : 87,879.42 = 33,355.08 : x
  2. Step 2: Convert to fraction form
    58,634.40/87,879.42 = 33,355.08/x
  3. Step 3: Cross multiply
    58,634.40x = 87,879.42 × 33,355.08
  4. Step 4: Simplify right side
    58,634.40x = 2,931,225,084.45
  5. Step 5: Solve for x
    x = 2,931,225,084.45/58,634.40
  6. Step 6: Final answer
    x = 49,991.56

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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.