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Finding the Fourth Proportional to 40,866.67, 61,299.90 and 10,880.91

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Solution

The fourth proportional to 40,866.67, 61,299.90 and 10,880.91 is: 16,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.67 : 61,299.90 = 10,880.91 : x
  2. Step 2: Convert to fraction form
    40,866.67/61,299.90 = 10,880.91/x
  3. Step 3: Cross multiply
    40,866.67x = 61,299.90 × 10,880.91
  4. Step 4: Simplify right side
    40,866.67x = 666,998,694.91
  5. Step 5: Solve for x
    x = 666,998,694.91/40,866.67
  6. Step 6: Final answer
    x = 16,321.34

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Double scale
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Similar ratio
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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.