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Finding the Fourth Proportional to 4,599.96, 6,899.94 and 3,215.98

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Solution

The fourth proportional to 4,599.96, 6,899.94 and 3,215.98 is: 4,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,599.96 : 6,899.94 = 3,215.98 : x
  2. Step 2: Convert to fraction form
    4,599.96/6,899.94 = 3,215.98/x
  3. Step 3: Cross multiply
    4,599.96x = 6,899.94 × 3,215.98
  4. Step 4: Simplify right side
    4,599.96x = 22,190,034.54
  5. Step 5: Solve for x
    x = 22,190,034.54/4,599.96
  6. Step 6: Final answer
    x = 4,823.96

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.