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Finding the Fourth Proportional to 55,344.92, 83,061.62 and 28,698.48

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Solution

The fourth proportional to 55,344.92, 83,061.62 and 28,698.48 is: 43,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.92 : 83,061.62 = 28,698.48 : x
  2. Step 2: Convert to fraction form
    55,344.92/83,061.62 = 28,698.48/x
  3. Step 3: Cross multiply
    55,344.92x = 83,061.62 × 28,698.48
  4. Step 4: Simplify right side
    55,344.92x = 2,383,742,096.85
  5. Step 5: Solve for x
    x = 2,383,742,096.85/55,344.92
  6. Step 6: Final answer
    x = 43,070.66

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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.