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Finding the Fourth Proportional to 60,771.85, 91,095.47 and 23,321.87

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Solution

The fourth proportional to 60,771.85, 91,095.47 and 23,321.87 is: 34,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,771.85 : 91,095.47 = 23,321.87 : x
  2. Step 2: Convert to fraction form
    60,771.85/91,095.47 = 23,321.87/x
  3. Step 3: Cross multiply
    60,771.85x = 91,095.47 × 23,321.87
  4. Step 4: Simplify right side
    60,771.85x = 2,124,516,565.91
  5. Step 5: Solve for x
    x = 2,124,516,565.91/60,771.85
  6. Step 6: Final answer
    x = 34,958.89

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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.