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Finding the Fourth Proportional to 23,991.98, 35,962.95 and 8,191.76

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Solution

The fourth proportional to 23,991.98, 35,962.95 and 8,191.76 is: 12,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.98 : 35,962.95 = 8,191.76 : x
  2. Step 2: Convert to fraction form
    23,991.98/35,962.95 = 8,191.76/x
  3. Step 3: Cross multiply
    23,991.98x = 35,962.95 × 8,191.76
  4. Step 4: Simplify right side
    23,991.98x = 294,599,855.29
  5. Step 5: Solve for x
    x = 294,599,855.29/23,991.98
  6. Step 6: Final answer
    x = 12,279.10

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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.