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Finding the Fourth Proportional to 18,063.90, 27,076.08 and 9,299.30

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Solution

The fourth proportional to 18,063.90, 27,076.08 and 9,299.30 is: 13,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.90 : 27,076.08 = 9,299.30 : x
  2. Step 2: Convert to fraction form
    18,063.90/27,076.08 = 9,299.30/x
  3. Step 3: Cross multiply
    18,063.90x = 27,076.08 × 9,299.30
  4. Step 4: Simplify right side
    18,063.90x = 251,788,590.74
  5. Step 5: Solve for x
    x = 251,788,590.74/18,063.90
  6. Step 6: Final answer
    x = 13,938.77

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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.