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Finding the Fourth Proportional to 55,593.54, 76,701.33 and 31,721.22

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Solution

The fourth proportional to 55,593.54, 76,701.33 and 31,721.22 is: 43,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593.54 : 76,701.33 = 31,721.22 : x
  2. Step 2: Convert to fraction form
    55,593.54/76,701.33 = 31,721.22/x
  3. Step 3: Cross multiply
    55,593.54x = 76,701.33 × 31,721.22
  4. Step 4: Simplify right side
    55,593.54x = 2,433,059,763.22
  5. Step 5: Solve for x
    x = 2,433,059,763.22/55,593.54
  6. Step 6: Final answer
    x = 43,765.15

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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.