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Finding the Fourth Proportional to 22,321.72, 33,483.54 and 8,463.16

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Solution

The fourth proportional to 22,321.72, 33,483.54 and 8,463.16 is: 12,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.72 : 33,483.54 = 8,463.16 : x
  2. Step 2: Convert to fraction form
    22,321.72/33,483.54 = 8,463.16/x
  3. Step 3: Cross multiply
    22,321.72x = 33,483.54 × 8,463.16
  4. Step 4: Simplify right side
    22,321.72x = 283,376,556.39
  5. Step 5: Solve for x
    x = 283,376,556.39/22,321.72
  6. Step 6: Final answer
    x = 12,695.10

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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.