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Finding the Fourth Proportional to 3,803.54, 5,249.00 and 2,124.89

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Solution

The fourth proportional to 3,803.54, 5,249.00 and 2,124.89 is: 2,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.54 : 5,249.00 = 2,124.89 : x
  2. Step 2: Convert to fraction form
    3,803.54/5,249.00 = 2,124.89/x
  3. Step 3: Cross multiply
    3,803.54x = 5,249.00 × 2,124.89
  4. Step 4: Simplify right side
    3,803.54x = 11,153,536.99
  5. Step 5: Solve for x
    x = 11,153,536.99/3,803.54
  6. Step 6: Final answer
    x = 2,932.41

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Half scale
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Double 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.