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Finding the Fourth Proportional to 69,160.37, 95,430.68 and 38,944.91

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Solution

The fourth proportional to 69,160.37, 95,430.68 and 38,944.91 is: 53,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,160.37 : 95,430.68 = 38,944.91 : x
  2. Step 2: Convert to fraction form
    69,160.37/95,430.68 = 38,944.91/x
  3. Step 3: Cross multiply
    69,160.37x = 95,430.68 × 38,944.91
  4. Step 4: Simplify right side
    69,160.37x = 3,716,538,571.96
  5. Step 5: Solve for x
    x = 3,716,538,571.96/69,160.37
  6. Step 6: Final answer
    x = 53,737.98

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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.