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Finding the Fourth Proportional to 67,495.43, 93,155.58 and 38,812.79

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Solution

The fourth proportional to 67,495.43, 93,155.58 and 38,812.79 is: 53,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,495.43 : 93,155.58 = 38,812.79 : x
  2. Step 2: Convert to fraction form
    67,495.43/93,155.58 = 38,812.79/x
  3. Step 3: Cross multiply
    67,495.43x = 93,155.58 × 38,812.79
  4. Step 4: Simplify right side
    67,495.43x = 3,615,627,498.09
  5. Step 5: Solve for x
    x = 3,615,627,498.09/67,495.43
  6. Step 6: Final answer
    x = 53,568.48

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