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Finding the Fourth Proportional to 73,916, 101,884.29 and 57,755.06

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Solution

The fourth proportional to 73,916, 101,884.29 and 57,755.06 is: 79,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,916 : 101,884.29 = 57,755.06 : x
  2. Step 2: Convert to fraction form
    73,916/101,884.29 = 57,755.06/x
  3. Step 3: Cross multiply
    73,916x = 101,884.29 × 57,755.06
  4. Step 4: Simplify right side
    73,916x = 5,884,333,282.01
  5. Step 5: Solve for x
    x = 5,884,333,282.01/73,916
  6. Step 6: Final answer
    x = 79,608.38

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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.