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Finding the Fourth Proportional to 40,880.70, 61,191.45 and 29,216.70

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Solution

The fourth proportional to 40,880.70, 61,191.45 and 29,216.70 is: 43,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.70 : 61,191.45 = 29,216.70 : x
  2. Step 2: Convert to fraction form
    40,880.70/61,191.45 = 29,216.70/x
  3. Step 3: Cross multiply
    40,880.70x = 61,191.45 × 29,216.70
  4. Step 4: Simplify right side
    40,880.70x = 1,787,812,237.22
  5. Step 5: Solve for x
    x = 1,787,812,237.22/40,880.70
  6. Step 6: Final answer
    x = 43,732.43

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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.