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Finding the Fourth Proportional to 6,372.54, 8,805.51 and 4,985.82

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Solution

The fourth proportional to 6,372.54, 8,805.51 and 4,985.82 is: 6,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.54 : 8,805.51 = 4,985.82 : x
  2. Step 2: Convert to fraction form
    6,372.54/8,805.51 = 4,985.82/x
  3. Step 3: Cross multiply
    6,372.54x = 8,805.51 × 4,985.82
  4. Step 4: Simplify right side
    6,372.54x = 43,902,687.87
  5. Step 5: Solve for x
    x = 43,902,687.87/6,372.54
  6. Step 6: Final answer
    x = 6,889.35

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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.