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Finding the Fourth Proportional to 23,878.53, 35,839.62 and 12,199.95

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Solution

The fourth proportional to 23,878.53, 35,839.62 and 12,199.95 is: 18,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.53 : 35,839.62 = 12,199.95 : x
  2. Step 2: Convert to fraction form
    23,878.53/35,839.62 = 12,199.95/x
  3. Step 3: Cross multiply
    23,878.53x = 35,839.62 × 12,199.95
  4. Step 4: Simplify right side
    23,878.53x = 437,241,572.02
  5. Step 5: Solve for x
    x = 437,241,572.02/23,878.53
  6. Step 6: Final answer
    x = 18,311.08

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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.