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Finding the Fourth Proportional to 10,673, 16,009.50 and 3,377

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Solution

The fourth proportional to 10,673, 16,009.50 and 3,377 is: 5,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673 : 16,009.50 = 3,377 : x
  2. Step 2: Convert to fraction form
    10,673/16,009.50 = 3,377/x
  3. Step 3: Cross multiply
    10,673x = 16,009.50 × 3,377
  4. Step 4: Simplify right side
    10,673x = 54,064,081.50
  5. Step 5: Solve for x
    x = 54,064,081.50/10,673
  6. Step 6: Final answer
    x = 5,065.50

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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.