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Finding the Fourth Proportional to 17,693.46, 26,541.72 and 4,545.72

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Solution

The fourth proportional to 17,693.46, 26,541.72 and 4,545.72 is: 6,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.46 : 26,541.72 = 4,545.72 : x
  2. Step 2: Convert to fraction form
    17,693.46/26,541.72 = 4,545.72/x
  3. Step 3: Cross multiply
    17,693.46x = 26,541.72 × 4,545.72
  4. Step 4: Simplify right side
    17,693.46x = 120,651,227.44
  5. Step 5: Solve for x
    x = 120,651,227.44/17,693.46
  6. Step 6: Final answer
    x = 6,818.97

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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.