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Finding the Fourth Proportional to 6,216.74, 8,573.20 and 4,798.15

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Solution

The fourth proportional to 6,216.74, 8,573.20 and 4,798.15 is: 6,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.74 : 8,573.20 = 4,798.15 : x
  2. Step 2: Convert to fraction form
    6,216.74/8,573.20 = 4,798.15/x
  3. Step 3: Cross multiply
    6,216.74x = 8,573.20 × 4,798.15
  4. Step 4: Simplify right side
    6,216.74x = 41,135,499.58
  5. Step 5: Solve for x
    x = 41,135,499.58/6,216.74
  6. Step 6: Final answer
    x = 6,616.89

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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.