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Finding the Fourth Proportional to 55,357.16, 82,984.74 and 22,069.28

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Solution

The fourth proportional to 55,357.16, 82,984.74 and 22,069.28 is: 33,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.16 : 82,984.74 = 22,069.28 : x
  2. Step 2: Convert to fraction form
    55,357.16/82,984.74 = 22,069.28/x
  3. Step 3: Cross multiply
    55,357.16x = 82,984.74 × 22,069.28
  4. Step 4: Simplify right side
    55,357.16x = 1,831,413,462.79
  5. Step 5: Solve for x
    x = 1,831,413,462.79/55,357.16
  6. Step 6: Final answer
    x = 33,083.59

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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.