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Finding the Fourth Proportional to 74,127.93, 111,081.94 and 38,960.97

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Solution

The fourth proportional to 74,127.93, 111,081.94 and 38,960.97 is: 58,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.93 : 111,081.94 = 38,960.97 : x
  2. Step 2: Convert to fraction form
    74,127.93/111,081.94 = 38,960.97/x
  3. Step 3: Cross multiply
    74,127.93x = 111,081.94 × 38,960.97
  4. Step 4: Simplify right side
    74,127.93x = 4,327,860,034.48
  5. Step 5: Solve for x
    x = 4,327,860,034.48/74,127.93
  6. Step 6: Final answer
    x = 58,383.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.