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Finding the Fourth Proportional to 73,349, 101,221.38 and 39,814.76

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Solution

The fourth proportional to 73,349, 101,221.38 and 39,814.76 is: 54,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,349 : 101,221.38 = 39,814.76 : x
  2. Step 2: Convert to fraction form
    73,349/101,221.38 = 39,814.76/x
  3. Step 3: Cross multiply
    73,349x = 101,221.38 × 39,814.76
  4. Step 4: Simplify right side
    73,349x = 4,030,104,951.57
  5. Step 5: Solve for x
    x = 4,030,104,951.57/73,349
  6. Step 6: Final answer
    x = 54,944.24

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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.