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Finding the Fourth Proportional to 55,665.47, 83,477.47 and 22,374.31

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Solution

The fourth proportional to 55,665.47, 83,477.47 and 22,374.31 is: 33,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.47 : 83,477.47 = 22,374.31 : x
  2. Step 2: Convert to fraction form
    55,665.47/83,477.47 = 22,374.31/x
  3. Step 3: Cross multiply
    55,665.47x = 83,477.47 × 22,374.31
  4. Step 4: Simplify right side
    55,665.47x = 1,867,750,791.80
  5. Step 5: Solve for x
    x = 1,867,750,791.80/55,665.47
  6. Step 6: Final answer
    x = 33,553.13

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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.