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Finding the Fourth Proportional to 83,889.48, 115,768.01 and 45,649.33

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Solution

The fourth proportional to 83,889.48, 115,768.01 and 45,649.33 is: 62,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,889.48 : 115,768.01 = 45,649.33 : x
  2. Step 2: Convert to fraction form
    83,889.48/115,768.01 = 45,649.33/x
  3. Step 3: Cross multiply
    83,889.48x = 115,768.01 × 45,649.33
  4. Step 4: Simplify right side
    83,889.48x = 5,284,732,091.93
  5. Step 5: Solve for x
    x = 5,284,732,091.93/83,889.48
  6. Step 6: Final answer
    x = 62,996.36

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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.