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Finding the Fourth Proportional to 73,440.38, 101,348.33 and 39,906.38

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Solution

The fourth proportional to 73,440.38, 101,348.33 and 39,906.38 is: 55,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,440.38 : 101,348.33 = 39,906.38 : x
  2. Step 2: Convert to fraction form
    73,440.38/101,348.33 = 39,906.38/x
  3. Step 3: Cross multiply
    73,440.38x = 101,348.33 × 39,906.38
  4. Step 4: Simplify right side
    73,440.38x = 4,044,444,969.35
  5. Step 5: Solve for x
    x = 4,044,444,969.35/73,440.38
  6. Step 6: Final answer
    x = 55,071.13

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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.