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Finding the Fourth Proportional to 34,652.88, 47,819.16 and 19,545.57

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Solution

The fourth proportional to 34,652.88, 47,819.16 and 19,545.57 is: 26,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,652.88 : 47,819.16 = 19,545.57 : x
  2. Step 2: Convert to fraction form
    34,652.88/47,819.16 = 19,545.57/x
  3. Step 3: Cross multiply
    34,652.88x = 47,819.16 × 19,545.57
  4. Step 4: Simplify right side
    34,652.88x = 934,652,739.12
  5. Step 5: Solve for x
    x = 934,652,739.12/34,652.88
  6. Step 6: Final answer
    x = 26,971.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.