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Finding the Fourth Proportional to 3,266.48, 4,898.98 and 926.73

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Solution

The fourth proportional to 3,266.48, 4,898.98 and 926.73 is: 1,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.48 : 4,898.98 = 926.73 : x
  2. Step 2: Convert to fraction form
    3,266.48/4,898.98 = 926.73/x
  3. Step 3: Cross multiply
    3,266.48x = 4,898.98 × 926.73
  4. Step 4: Simplify right side
    3,266.48x = 4,540,031.74
  5. Step 5: Solve for x
    x = 4,540,031.74/3,266.48
  6. Step 6: Final answer
    x = 1,389.89

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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.