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Finding the Fourth Proportional to 69,816.38, 96,347.02 and 37,985.52

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Solution

The fourth proportional to 69,816.38, 96,347.02 and 37,985.52 is: 52,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.38 : 96,347.02 = 37,985.52 : x
  2. Step 2: Convert to fraction form
    69,816.38/96,347.02 = 37,985.52/x
  3. Step 3: Cross multiply
    69,816.38x = 96,347.02 × 37,985.52
  4. Step 4: Simplify right side
    69,816.38x = 3,659,791,655.15
  5. Step 5: Solve for x
    x = 3,659,791,655.15/69,816.38
  6. Step 6: Final answer
    x = 52,420.24

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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.