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Finding the Fourth Proportional to 32,991.49, 45,530.67 and 18,844.03

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Solution

The fourth proportional to 32,991.49, 45,530.67 and 18,844.03 is: 26,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.49 : 45,530.67 = 18,844.03 : x
  2. Step 2: Convert to fraction form
    32,991.49/45,530.67 = 18,844.03/x
  3. Step 3: Cross multiply
    32,991.49x = 45,530.67 × 18,844.03
  4. Step 4: Simplify right side
    32,991.49x = 857,981,311.40
  5. Step 5: Solve for x
    x = 857,981,311.40/32,991.49
  6. Step 6: Final answer
    x = 26,006.14

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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.