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Finding the Fourth Proportional to 108,647.63, 162,982 and 33,747.62

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Solution

The fourth proportional to 108,647.63, 162,982 and 33,747.62 is: 50,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,647.63 : 162,982 = 33,747.62 : x
  2. Step 2: Convert to fraction form
    108,647.63/162,982 = 33,747.62/x
  3. Step 3: Cross multiply
    108,647.63x = 162,982 × 33,747.62
  4. Step 4: Simplify right side
    108,647.63x = 5,500,254,602.84
  5. Step 5: Solve for x
    x = 5,500,254,602.84/108,647.63
  6. Step 6: Final answer
    x = 50,624.71

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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.