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Finding the Fourth Proportional to 16,952.78, 25,421.87 and 5,266.91

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Solution

The fourth proportional to 16,952.78, 25,421.87 and 5,266.91 is: 7,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,952.78 : 25,421.87 = 5,266.91 : x
  2. Step 2: Convert to fraction form
    16,952.78/25,421.87 = 5,266.91/x
  3. Step 3: Cross multiply
    16,952.78x = 25,421.87 × 5,266.91
  4. Step 4: Simplify right side
    16,952.78x = 133,894,547.88
  5. Step 5: Solve for x
    x = 133,894,547.88/16,952.78
  6. Step 6: Final answer
    x = 7,898.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.