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Finding the Fourth Proportional to 6,228.88, 8,612.26 and 5,953.48

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Solution

The fourth proportional to 6,228.88, 8,612.26 and 5,953.48 is: 8,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.88 : 8,612.26 = 5,953.48 : x
  2. Step 2: Convert to fraction form
    6,228.88/8,612.26 = 5,953.48/x
  3. Step 3: Cross multiply
    6,228.88x = 8,612.26 × 5,953.48
  4. Step 4: Simplify right side
    6,228.88x = 51,272,917.66
  5. Step 5: Solve for x
    x = 51,272,917.66/6,228.88
  6. Step 6: Final answer
    x = 8,231.48

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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.