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Finding the Fourth Proportional to 57,677.99, 86,360.63 and 29,917.67

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Solution

The fourth proportional to 57,677.99, 86,360.63 and 29,917.67 is: 44,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.99 : 86,360.63 = 29,917.67 : x
  2. Step 2: Convert to fraction form
    57,677.99/86,360.63 = 29,917.67/x
  3. Step 3: Cross multiply
    57,677.99x = 86,360.63 × 29,917.67
  4. Step 4: Simplify right side
    57,677.99x = 2,583,708,472.32
  5. Step 5: Solve for x
    x = 2,583,708,472.32/57,677.99
  6. Step 6: Final answer
    x = 44,795.40

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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.