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Finding the Fourth Proportional to 6,263.98, 8,638.59 and 4,494.94

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Solution

The fourth proportional to 6,263.98, 8,638.59 and 4,494.94 is: 6,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.98 : 8,638.59 = 4,494.94 : x
  2. Step 2: Convert to fraction form
    6,263.98/8,638.59 = 4,494.94/x
  3. Step 3: Cross multiply
    6,263.98x = 8,638.59 × 4,494.94
  4. Step 4: Simplify right side
    6,263.98x = 38,829,943.73
  5. Step 5: Solve for x
    x = 38,829,943.73/6,263.98
  6. Step 6: Final answer
    x = 6,198.93

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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.