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Finding the Fourth Proportional to 22,357.61, 33,536.40 and 5,717.66

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Solution

The fourth proportional to 22,357.61, 33,536.40 and 5,717.66 is: 8,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.61 : 33,536.40 = 5,717.66 : x
  2. Step 2: Convert to fraction form
    22,357.61/33,536.40 = 5,717.66/x
  3. Step 3: Cross multiply
    22,357.61x = 33,536.40 × 5,717.66
  4. Step 4: Simplify right side
    22,357.61x = 191,749,732.82
  5. Step 5: Solve for x
    x = 191,749,732.82/22,357.61
  6. Step 6: Final answer
    x = 8,576.49

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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.