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Finding the Fourth Proportional to 69,816.52, 96,347.02 and 37,985.41

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Solution

The fourth proportional to 69,816.52, 96,347.02 and 37,985.41 is: 52,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.52 : 96,347.02 = 37,985.41 : x
  2. Step 2: Convert to fraction form
    69,816.52/96,347.02 = 37,985.41/x
  3. Step 3: Cross multiply
    69,816.52x = 96,347.02 × 37,985.41
  4. Step 4: Simplify right side
    69,816.52x = 3,659,781,056.98
  5. Step 5: Solve for x
    x = 3,659,781,056.98/69,816.52
  6. Step 6: Final answer
    x = 52,419.99

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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.