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Finding the Fourth Proportional to 60,980.45, 91,418.11 and 23,566.78

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Solution

The fourth proportional to 60,980.45, 91,418.11 and 23,566.78 is: 35,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,980.45 : 91,418.11 = 23,566.78 : x
  2. Step 2: Convert to fraction form
    60,980.45/91,418.11 = 23,566.78/x
  3. Step 3: Cross multiply
    60,980.45x = 91,418.11 × 23,566.78
  4. Step 4: Simplify right side
    60,980.45x = 2,154,430,198.92
  5. Step 5: Solve for x
    x = 2,154,430,198.92/60,980.45
  6. Step 6: Final answer
    x = 35,329.85

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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.