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Finding the Fourth Proportional to 65,849.96, 90,873.06 and 36,041.96

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Solution

The fourth proportional to 65,849.96, 90,873.06 and 36,041.96 is: 49,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.96 : 90,873.06 = 36,041.96 : x
  2. Step 2: Convert to fraction form
    65,849.96/90,873.06 = 36,041.96/x
  3. Step 3: Cross multiply
    65,849.96x = 90,873.06 × 36,041.96
  4. Step 4: Simplify right side
    65,849.96x = 3,275,243,193.60
  5. Step 5: Solve for x
    x = 3,275,243,193.60/65,849.96
  6. Step 6: Final answer
    x = 49,737.97

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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.