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Finding the Fourth Proportional to 22,663.66, 33,995.36 and 8,812.66

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Solution

The fourth proportional to 22,663.66, 33,995.36 and 8,812.66 is: 13,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.66 : 33,995.36 = 8,812.66 : x
  2. Step 2: Convert to fraction form
    22,663.66/33,995.36 = 8,812.66/x
  3. Step 3: Cross multiply
    22,663.66x = 33,995.36 × 8,812.66
  4. Step 4: Simplify right side
    22,663.66x = 299,589,549.26
  5. Step 5: Solve for x
    x = 299,589,549.26/22,663.66
  6. Step 6: Final answer
    x = 13,218.94

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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.