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Finding the Fourth Proportional to 59,749.92, 89,632.80 and 31,684.32

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Solution

The fourth proportional to 59,749.92, 89,632.80 and 31,684.32 is: 47,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,749.92 : 89,632.80 = 31,684.32 : x
  2. Step 2: Convert to fraction form
    59,749.92/89,632.80 = 31,684.32/x
  3. Step 3: Cross multiply
    59,749.92x = 89,632.80 × 31,684.32
  4. Step 4: Simplify right side
    59,749.92x = 2,839,954,317.70
  5. Step 5: Solve for x
    x = 2,839,954,317.70/59,749.92
  6. Step 6: Final answer
    x = 47,530.68

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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.