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Finding the Fourth Proportional to 57,435.77, 86,211.98 and 36,323.93

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Solution

The fourth proportional to 57,435.77, 86,211.98 and 36,323.93 is: 54,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.77 : 86,211.98 = 36,323.93 : x
  2. Step 2: Convert to fraction form
    57,435.77/86,211.98 = 36,323.93/x
  3. Step 3: Cross multiply
    57,435.77x = 86,211.98 × 36,323.93
  4. Step 4: Simplify right side
    57,435.77x = 3,131,557,314.00
  5. Step 5: Solve for x
    x = 3,131,557,314.00/57,435.77
  6. Step 6: Final answer
    x = 54,522.78

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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.