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Finding the Fourth Proportional to 67,896, 93,696.48 and 38,088

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Solution

The fourth proportional to 67,896, 93,696.48 and 38,088 is: 52,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896 : 93,696.48 = 38,088 : x
  2. Step 2: Convert to fraction form
    67,896/93,696.48 = 38,088/x
  3. Step 3: Cross multiply
    67,896x = 93,696.48 × 38,088
  4. Step 4: Simplify right side
    67,896x = 3,568,711,530.24
  5. Step 5: Solve for x
    x = 3,568,711,530.24/67,896
  6. Step 6: Final answer
    x = 52,561.44

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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.