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Finding the Fourth Proportional to 69,403.79, 95,777.53 and 37,572.68

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Solution

The fourth proportional to 69,403.79, 95,777.53 and 37,572.68 is: 51,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,403.79 : 95,777.53 = 37,572.68 : x
  2. Step 2: Convert to fraction form
    69,403.79/95,777.53 = 37,572.68/x
  3. Step 3: Cross multiply
    69,403.79x = 95,777.53 × 37,572.68
  4. Step 4: Simplify right side
    69,403.79x = 3,598,618,631.39
  5. Step 5: Solve for x
    x = 3,598,618,631.39/69,403.79
  6. Step 6: Final answer
    x = 51,850.47

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1.5x scale

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.