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Finding the Fourth Proportional to 10,663.30, 15,994.90 and 3,267.80

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Solution

The fourth proportional to 10,663.30, 15,994.90 and 3,267.80 is: 4,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.30 : 15,994.90 = 3,267.80 : x
  2. Step 2: Convert to fraction form
    10,663.30/15,994.90 = 3,267.80/x
  3. Step 3: Cross multiply
    10,663.30x = 15,994.90 × 3,267.80
  4. Step 4: Simplify right side
    10,663.30x = 52,268,134.22
  5. Step 5: Solve for x
    x = 52,268,134.22/10,663.30
  6. Step 6: Final answer
    x = 4,901.68

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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.