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Finding the Fourth Proportional to 40,569.91, 60,847.84 and 10,980.84

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Solution

The fourth proportional to 40,569.91, 60,847.84 and 10,980.84 is: 16,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,569.91 : 60,847.84 = 10,980.84 : x
  2. Step 2: Convert to fraction form
    40,569.91/60,847.84 = 10,980.84/x
  3. Step 3: Cross multiply
    40,569.91x = 60,847.84 × 10,980.84
  4. Step 4: Simplify right side
    40,569.91x = 668,160,395.39
  5. Step 5: Solve for x
    x = 668,160,395.39/40,569.91
  6. Step 6: Final answer
    x = 16,469.36

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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.