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Finding the Fourth Proportional to 22,003.76, 32,992.46 and 7,004.40

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Solution

The fourth proportional to 22,003.76, 32,992.46 and 7,004.40 is: 10,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.76 : 32,992.46 = 7,004.40 : x
  2. Step 2: Convert to fraction form
    22,003.76/32,992.46 = 7,004.40/x
  3. Step 3: Cross multiply
    22,003.76x = 32,992.46 × 7,004.40
  4. Step 4: Simplify right side
    22,003.76x = 231,092,351.80
  5. Step 5: Solve for x
    x = 231,092,351.80/22,003.76
  6. Step 6: Final answer
    x = 10,502.40

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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.