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Finding the Fourth Proportional to 3,297.95, 4,946.46 and 832.61

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Solution

The fourth proportional to 3,297.95, 4,946.46 and 832.61 is: 1,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.95 : 4,946.46 = 832.61 : x
  2. Step 2: Convert to fraction form
    3,297.95/4,946.46 = 832.61/x
  3. Step 3: Cross multiply
    3,297.95x = 4,946.46 × 832.61
  4. Step 4: Simplify right side
    3,297.95x = 4,118,484.43
  5. Step 5: Solve for x
    x = 4,118,484.43/3,297.95
  6. Step 6: Final answer
    x = 1,248.80

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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.