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Finding the Fourth Proportional to 22,668.02, 33,916.52 and 20,365.95

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Solution

The fourth proportional to 22,668.02, 33,916.52 and 20,365.95 is: 30,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.02 : 33,916.52 = 20,365.95 : x
  2. Step 2: Convert to fraction form
    22,668.02/33,916.52 = 20,365.95/x
  3. Step 3: Cross multiply
    22,668.02x = 33,916.52 × 20,365.95
  4. Step 4: Simplify right side
    22,668.02x = 690,742,048.66
  5. Step 5: Solve for x
    x = 690,742,048.66/22,668.02
  6. Step 6: Final answer
    x = 30,472.10

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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.