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Finding the Fourth Proportional to 18,063.59, 24,927.75 and 10,105.80

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Solution

The fourth proportional to 18,063.59, 24,927.75 and 10,105.80 is: 13,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.59 : 24,927.75 = 10,105.80 : x
  2. Step 2: Convert to fraction form
    18,063.59/24,927.75 = 10,105.80/x
  3. Step 3: Cross multiply
    18,063.59x = 24,927.75 × 10,105.80
  4. Step 4: Simplify right side
    18,063.59x = 251,914,855.95
  5. Step 5: Solve for x
    x = 251,914,855.95/18,063.59
  6. Step 6: Final answer
    x = 13,946.01

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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.