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Finding the Fourth Proportional to 69,543.53, 95,970.09 and 37,712.42

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Solution

The fourth proportional to 69,543.53, 95,970.09 and 37,712.42 is: 52,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.53 : 95,970.09 = 37,712.42 : x
  2. Step 2: Convert to fraction form
    69,543.53/95,970.09 = 37,712.42/x
  3. Step 3: Cross multiply
    69,543.53x = 95,970.09 × 37,712.42
  4. Step 4: Simplify right side
    69,543.53x = 3,619,263,861.67
  5. Step 5: Solve for x
    x = 3,619,263,861.67/69,543.53
  6. Step 6: Final answer
    x = 52,043.15

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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.