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Finding the Fourth Proportional to 12,607.24, 18,910.86 and 3,373

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Solution

The fourth proportional to 12,607.24, 18,910.86 and 3,373 is: 5,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.24 : 18,910.86 = 3,373 : x
  2. Step 2: Convert to fraction form
    12,607.24/18,910.86 = 3,373/x
  3. Step 3: Cross multiply
    12,607.24x = 18,910.86 × 3,373
  4. Step 4: Simplify right side
    12,607.24x = 63,786,330.78
  5. Step 5: Solve for x
    x = 63,786,330.78/12,607.24
  6. Step 6: Final answer
    x = 5,059.50

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Double scale
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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.