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Finding the Fourth Proportional to 57,649.44, 86,478.62 and 22,127.78

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Solution

The fourth proportional to 57,649.44, 86,478.62 and 22,127.78 is: 33,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.44 : 86,478.62 = 22,127.78 : x
  2. Step 2: Convert to fraction form
    57,649.44/86,478.62 = 22,127.78/x
  3. Step 3: Cross multiply
    57,649.44x = 86,478.62 × 22,127.78
  4. Step 4: Simplify right side
    57,649.44x = 1,913,579,335.03
  5. Step 5: Solve for x
    x = 1,913,579,335.03/57,649.44
  6. Step 6: Final answer
    x = 33,193.37

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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.