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Finding the Fourth Proportional to 3,392.34, 4,683.12 and 2,134.09

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Solution

The fourth proportional to 3,392.34, 4,683.12 and 2,134.09 is: 2,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.34 : 4,683.12 = 2,134.09 : x
  2. Step 2: Convert to fraction form
    3,392.34/4,683.12 = 2,134.09/x
  3. Step 3: Cross multiply
    3,392.34x = 4,683.12 × 2,134.09
  4. Step 4: Simplify right side
    3,392.34x = 9,994,199.56
  5. Step 5: Solve for x
    x = 9,994,199.56/3,392.34
  6. Step 6: Final answer
    x = 2,946.11

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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.