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Finding the Fourth Proportional to 22,994.40, 34,491.60 and 8,203.80

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Solution

The fourth proportional to 22,994.40, 34,491.60 and 8,203.80 is: 12,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,994.40 : 34,491.60 = 8,203.80 : x
  2. Step 2: Convert to fraction form
    22,994.40/34,491.60 = 8,203.80/x
  3. Step 3: Cross multiply
    22,994.40x = 34,491.60 × 8,203.80
  4. Step 4: Simplify right side
    22,994.40x = 282,962,188.08
  5. Step 5: Solve for x
    x = 282,962,188.08/22,994.40
  6. Step 6: Final answer
    x = 12,305.70

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1.5x scale

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.