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Finding the Fourth Proportional to 55,672.17, 76,824.33 and 33,013.34

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Solution

The fourth proportional to 55,672.17, 76,824.33 and 33,013.34 is: 45,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.17 : 76,824.33 = 33,013.34 : x
  2. Step 2: Convert to fraction form
    55,672.17/76,824.33 = 33,013.34/x
  3. Step 3: Cross multiply
    55,672.17x = 76,824.33 × 33,013.34
  4. Step 4: Simplify right side
    55,672.17x = 2,536,227,342.44
  5. Step 5: Solve for x
    x = 2,536,227,342.44/55,672.17
  6. Step 6: Final answer
    x = 45,556.47

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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.