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Finding the Fourth Proportional to 67,696.70, 93,422.16 and 37,482.48

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Solution

The fourth proportional to 67,696.70, 93,422.16 and 37,482.48 is: 51,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696.70 : 93,422.16 = 37,482.48 : x
  2. Step 2: Convert to fraction form
    67,696.70/93,422.16 = 37,482.48/x
  3. Step 3: Cross multiply
    67,696.70x = 93,422.16 × 37,482.48
  4. Step 4: Simplify right side
    67,696.70x = 3,501,694,243.76
  5. Step 5: Solve for x
    x = 3,501,694,243.76/67,696.70
  6. Step 6: Final answer
    x = 51,726.22

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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.