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Finding the Fourth Proportional to 58,572.72, 87,774.94 and 33,292.32

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Solution

The fourth proportional to 58,572.72, 87,774.94 and 33,292.32 is: 49,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.72 : 87,774.94 = 33,292.32 : x
  2. Step 2: Convert to fraction form
    58,572.72/87,774.94 = 33,292.32/x
  3. Step 3: Cross multiply
    58,572.72x = 87,774.94 × 33,292.32
  4. Step 4: Simplify right side
    58,572.72x = 2,922,231,102.92
  5. Step 5: Solve for x
    x = 2,922,231,102.92/58,572.72
  6. Step 6: Final answer
    x = 49,890.65

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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.