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Finding the Fourth Proportional to 3,483.34, 4,806.42 and 1,991.02

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Solution

The fourth proportional to 3,483.34, 4,806.42 and 1,991.02 is: 2,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.34 : 4,806.42 = 1,991.02 : x
  2. Step 2: Convert to fraction form
    3,483.34/4,806.42 = 1,991.02/x
  3. Step 3: Cross multiply
    3,483.34x = 4,806.42 × 1,991.02
  4. Step 4: Simplify right side
    3,483.34x = 9,569,678.35
  5. Step 5: Solve for x
    x = 9,569,678.35/3,483.34
  6. Step 6: Final answer
    x = 2,747.27

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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.