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Finding the Fourth Proportional to 18,465.91, 27,697.75 and 7,369.58

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Solution

The fourth proportional to 18,465.91, 27,697.75 and 7,369.58 is: 11,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.91 : 27,697.75 = 7,369.58 : x
  2. Step 2: Convert to fraction form
    18,465.91/27,697.75 = 7,369.58/x
  3. Step 3: Cross multiply
    18,465.91x = 27,697.75 × 7,369.58
  4. Step 4: Simplify right side
    18,465.91x = 204,120,835.27
  5. Step 5: Solve for x
    x = 204,120,835.27/18,465.91
  6. Step 6: Final answer
    x = 11,053.93

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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.