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Finding the Fourth Proportional to 22,607.66, 33,916.49 and 7,615.52

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Solution

The fourth proportional to 22,607.66, 33,916.49 and 7,615.52 is: 11,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.66 : 33,916.49 = 7,615.52 : x
  2. Step 2: Convert to fraction form
    22,607.66/33,916.49 = 7,615.52/x
  3. Step 3: Cross multiply
    22,607.66x = 33,916.49 × 7,615.52
  4. Step 4: Simplify right side
    22,607.66x = 258,291,500.26
  5. Step 5: Solve for x
    x = 258,291,500.26/22,607.66
  6. Step 6: Final answer
    x = 11,424.96

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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.