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Finding the Fourth Proportional to 6,235.88, 8,608.90 and 4,555.56

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Solution

The fourth proportional to 6,235.88, 8,608.90 and 4,555.56 is: 6,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.88 : 8,608.90 = 4,555.56 : x
  2. Step 2: Convert to fraction form
    6,235.88/8,608.90 = 4,555.56/x
  3. Step 3: Cross multiply
    6,235.88x = 8,608.90 × 4,555.56
  4. Step 4: Simplify right side
    6,235.88x = 39,218,360.48
  5. Step 5: Solve for x
    x = 39,218,360.48/6,235.88
  6. Step 6: Final answer
    x = 6,289.15

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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.