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Finding the Fourth Proportional to 55,342.86, 83,024.96 and 17,912.22

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Solution

The fourth proportional to 55,342.86, 83,024.96 and 17,912.22 is: 26,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.86 : 83,024.96 = 17,912.22 : x
  2. Step 2: Convert to fraction form
    55,342.86/83,024.96 = 17,912.22/x
  3. Step 3: Cross multiply
    55,342.86x = 83,024.96 × 17,912.22
  4. Step 4: Simplify right side
    55,342.86x = 1,487,161,259.45
  5. Step 5: Solve for x
    x = 1,487,161,259.45/55,342.86
  6. Step 6: Final answer
    x = 26,871.78

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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.