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Finding the Fourth Proportional to 53,258.97, 79,812.32 and 39,107.97

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Solution

The fourth proportional to 53,258.97, 79,812.32 and 39,107.97 is: 58,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,258.97 : 79,812.32 = 39,107.97 : x
  2. Step 2: Convert to fraction form
    53,258.97/79,812.32 = 39,107.97/x
  3. Step 3: Cross multiply
    53,258.97x = 79,812.32 × 39,107.97
  4. Step 4: Simplify right side
    53,258.97x = 3,121,297,816.19
  5. Step 5: Solve for x
    x = 3,121,297,816.19/53,258.97
  6. Step 6: Final answer
    x = 58,606.05

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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.