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Finding the Fourth Proportional to 22,486.51, 33,723.61 and 8,445.45

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Solution

The fourth proportional to 22,486.51, 33,723.61 and 8,445.45 is: 12,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.51 : 33,723.61 = 8,445.45 : x
  2. Step 2: Convert to fraction form
    22,486.51/33,723.61 = 8,445.45/x
  3. Step 3: Cross multiply
    22,486.51x = 33,723.61 × 8,445.45
  4. Step 4: Simplify right side
    22,486.51x = 284,811,062.07
  5. Step 5: Solve for x
    x = 284,811,062.07/22,486.51
  6. Step 6: Final answer
    x = 12,665.86

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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.