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Finding the Fourth Proportional to 3,347.01, 5,020.74 and 1,266.62

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Solution

The fourth proportional to 3,347.01, 5,020.74 and 1,266.62 is: 1,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.01 : 5,020.74 = 1,266.62 : x
  2. Step 2: Convert to fraction form
    3,347.01/5,020.74 = 1,266.62/x
  3. Step 3: Cross multiply
    3,347.01x = 5,020.74 × 1,266.62
  4. Step 4: Simplify right side
    3,347.01x = 6,359,344.60
  5. Step 5: Solve for x
    x = 6,359,344.60/3,347.01
  6. Step 6: Final answer
    x = 1,900.01

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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.