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Finding the Fourth Proportional to 17,904.73, 26,855.01 and 4,758.16

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Solution

The fourth proportional to 17,904.73, 26,855.01 and 4,758.16 is: 7,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.73 : 26,855.01 = 4,758.16 : x
  2. Step 2: Convert to fraction form
    17,904.73/26,855.01 = 4,758.16/x
  3. Step 3: Cross multiply
    17,904.73x = 26,855.01 × 4,758.16
  4. Step 4: Simplify right side
    17,904.73x = 127,780,434.38
  5. Step 5: Solve for x
    x = 127,780,434.38/17,904.73
  6. Step 6: Final answer
    x = 7,136.69

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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.