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Finding the Fourth Proportional to 18,376.45, 27,560.48 and 9,007.09

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Solution

The fourth proportional to 18,376.45, 27,560.48 and 9,007.09 is: 13,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.45 : 27,560.48 = 9,007.09 : x
  2. Step 2: Convert to fraction form
    18,376.45/27,560.48 = 9,007.09/x
  3. Step 3: Cross multiply
    18,376.45x = 27,560.48 × 9,007.09
  4. Step 4: Simplify right side
    18,376.45x = 248,239,678.77
  5. Step 5: Solve for x
    x = 248,239,678.77/18,376.45
  6. Step 6: Final answer
    x = 13,508.58

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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.