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Finding the Fourth Proportional to 22,472.36, 33,707.28 and 6,889.94

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Solution

The fourth proportional to 22,472.36, 33,707.28 and 6,889.94 is: 10,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.36 : 33,707.28 = 6,889.94 : x
  2. Step 2: Convert to fraction form
    22,472.36/33,707.28 = 6,889.94/x
  3. Step 3: Cross multiply
    22,472.36x = 33,707.28 × 6,889.94
  4. Step 4: Simplify right side
    22,472.36x = 232,241,136.76
  5. Step 5: Solve for x
    x = 232,241,136.76/22,472.36
  6. Step 6: Final answer
    x = 10,334.52

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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.