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Finding the Fourth Proportional to 57,044.98, 85,521.18 and 23,789.98

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Solution

The fourth proportional to 57,044.98, 85,521.18 and 23,789.98 is: 35,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,044.98 : 85,521.18 = 23,789.98 : x
  2. Step 2: Convert to fraction form
    57,044.98/85,521.18 = 23,789.98/x
  3. Step 3: Cross multiply
    57,044.98x = 85,521.18 × 23,789.98
  4. Step 4: Simplify right side
    57,044.98x = 2,034,547,161.78
  5. Step 5: Solve for x
    x = 2,034,547,161.78/57,044.98
  6. Step 6: Final answer
    x = 35,665.67

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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.