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Finding the Fourth Proportional to 55,265.78, 82,833.74 and 25,621.22

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Solution

The fourth proportional to 55,265.78, 82,833.74 and 25,621.22 is: 38,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.78 : 82,833.74 = 25,621.22 : x
  2. Step 2: Convert to fraction form
    55,265.78/82,833.74 = 25,621.22/x
  3. Step 3: Cross multiply
    55,265.78x = 82,833.74 × 25,621.22
  4. Step 4: Simplify right side
    55,265.78x = 2,122,301,347.86
  5. Step 5: Solve for x
    x = 2,122,301,347.86/55,265.78
  6. Step 6: Final answer
    x = 38,401.73

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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.