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Finding the Fourth Proportional to 39,322.38, 58,986.92 and 34,696.88

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Solution

The fourth proportional to 39,322.38, 58,986.92 and 34,696.88 is: 52,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.38 : 58,986.92 = 34,696.88 : x
  2. Step 2: Convert to fraction form
    39,322.38/58,986.92 = 34,696.88/x
  3. Step 3: Cross multiply
    39,322.38x = 58,986.92 × 34,696.88
  4. Step 4: Simplify right side
    39,322.38x = 2,046,662,084.81
  5. Step 5: Solve for x
    x = 2,046,662,084.81/39,322.38
  6. Step 6: Final answer
    x = 52,048.28

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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.