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Finding the Fourth Proportional to 40,434.66, 60,662.97 and 22,916.79

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Solution

The fourth proportional to 40,434.66, 60,662.97 and 22,916.79 is: 34,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434.66 : 60,662.97 = 22,916.79 : x
  2. Step 2: Convert to fraction form
    40,434.66/60,662.97 = 22,916.79/x
  3. Step 3: Cross multiply
    40,434.66x = 60,662.97 × 22,916.79
  4. Step 4: Simplify right side
    40,434.66x = 1,390,200,544.27
  5. Step 5: Solve for x
    x = 1,390,200,544.27/40,434.66
  6. Step 6: Final answer
    x = 34,381.41

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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.