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Finding the Fourth Proportional to 22,003.80, 32,976.90 and 8,845.40

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Solution

The fourth proportional to 22,003.80, 32,976.90 and 8,845.40 is: 13,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.80 : 32,976.90 = 8,845.40 : x
  2. Step 2: Convert to fraction form
    22,003.80/32,976.90 = 8,845.40/x
  3. Step 3: Cross multiply
    22,003.80x = 32,976.90 × 8,845.40
  4. Step 4: Simplify right side
    22,003.80x = 291,693,871.26
  5. Step 5: Solve for x
    x = 291,693,871.26/22,003.80
  6. Step 6: Final answer
    x = 13,256.52

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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.