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Finding the Fourth Proportional to 4,309.61, 5,946.41 and 2,540.77

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Solution

The fourth proportional to 4,309.61, 5,946.41 and 2,540.77 is: 3,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.61 : 5,946.41 = 2,540.77 : x
  2. Step 2: Convert to fraction form
    4,309.61/5,946.41 = 2,540.77/x
  3. Step 3: Cross multiply
    4,309.61x = 5,946.41 × 2,540.77
  4. Step 4: Simplify right side
    4,309.61x = 15,108,451.62
  5. Step 5: Solve for x
    x = 15,108,451.62/4,309.61
  6. Step 6: Final answer
    x = 3,505.76

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.