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Finding the Fourth Proportional to 57,605.83, 86,408.74 and 18,166.93

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Solution

The fourth proportional to 57,605.83, 86,408.74 and 18,166.93 is: 27,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.83 : 86,408.74 = 18,166.93 : x
  2. Step 2: Convert to fraction form
    57,605.83/86,408.74 = 18,166.93/x
  3. Step 3: Cross multiply
    57,605.83x = 86,408.74 × 18,166.93
  4. Step 4: Simplify right side
    57,605.83x = 1,569,781,098.92
  5. Step 5: Solve for x
    x = 1,569,781,098.92/57,605.83
  6. Step 6: Final answer
    x = 27,250.39

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1.5x scale

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.