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Finding the Fourth Proportional to 22,661.66, 33,992.36 and 8,810.66

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Solution

The fourth proportional to 22,661.66, 33,992.36 and 8,810.66 is: 13,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.66 : 33,992.36 = 8,810.66 : x
  2. Step 2: Convert to fraction form
    22,661.66/33,992.36 = 8,810.66/x
  3. Step 3: Cross multiply
    22,661.66x = 33,992.36 × 8,810.66
  4. Step 4: Simplify right side
    22,661.66x = 299,495,126.56
  5. Step 5: Solve for x
    x = 299,495,126.56/22,661.66
  6. Step 6: Final answer
    x = 13,215.94

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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.