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Finding the Fourth Proportional to 22,606.92, 33,931.08 and 11,521.56

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Solution

The fourth proportional to 22,606.92, 33,931.08 and 11,521.56 is: 17,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.92 : 33,931.08 = 11,521.56 : x
  2. Step 2: Convert to fraction form
    22,606.92/33,931.08 = 11,521.56/x
  3. Step 3: Cross multiply
    22,606.92x = 33,931.08 × 11,521.56
  4. Step 4: Simplify right side
    22,606.92x = 390,938,974.08
  5. Step 5: Solve for x
    x = 390,938,974.08/22,606.92
  6. Step 6: Final answer
    x = 17,292.89

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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.