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Finding the Fourth Proportional to 17,904.62, 26,855.04 and 4,758.32

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Solution

The fourth proportional to 17,904.62, 26,855.04 and 4,758.32 is: 7,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.62 : 26,855.04 = 4,758.32 : x
  2. Step 2: Convert to fraction form
    17,904.62/26,855.04 = 4,758.32/x
  3. Step 3: Cross multiply
    17,904.62x = 26,855.04 × 4,758.32
  4. Step 4: Simplify right side
    17,904.62x = 127,784,873.93
  5. Step 5: Solve for x
    x = 127,784,873.93/17,904.62
  6. Step 6: Final answer
    x = 7,136.98

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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.