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Finding the Fourth Proportional to 60,866.91, 91,300.41 and 27,580.77

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Solution

The fourth proportional to 60,866.91, 91,300.41 and 27,580.77 is: 41,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,866.91 : 91,300.41 = 27,580.77 : x
  2. Step 2: Convert to fraction form
    60,866.91/91,300.41 = 27,580.77/x
  3. Step 3: Cross multiply
    60,866.91x = 91,300.41 × 27,580.77
  4. Step 4: Simplify right side
    60,866.91x = 2,518,135,609.12
  5. Step 5: Solve for x
    x = 2,518,135,609.12/60,866.91
  6. Step 6: Final answer
    x = 41,371.18

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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.