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Finding the Fourth Proportional to 65,284.79, 90,120.57 and 44,092.76

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Solution

The fourth proportional to 65,284.79, 90,120.57 and 44,092.76 is: 60,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284.79 : 90,120.57 = 44,092.76 : x
  2. Step 2: Convert to fraction form
    65,284.79/90,120.57 = 44,092.76/x
  3. Step 3: Cross multiply
    65,284.79x = 90,120.57 × 44,092.76
  4. Step 4: Simplify right side
    65,284.79x = 3,973,664,889.37
  5. Step 5: Solve for x
    x = 3,973,664,889.37/65,284.79
  6. Step 6: Final answer
    x = 60,866.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.