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Finding the Fourth Proportional to 9,545.11, 13,172.21 and 5,819.11

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Solution

The fourth proportional to 9,545.11, 13,172.21 and 5,819.11 is: 8,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.11 : 13,172.21 = 5,819.11 : x
  2. Step 2: Convert to fraction form
    9,545.11/13,172.21 = 5,819.11/x
  3. Step 3: Cross multiply
    9,545.11x = 13,172.21 × 5,819.11
  4. Step 4: Simplify right side
    9,545.11x = 76,650,498.73
  5. Step 5: Solve for x
    x = 76,650,498.73/9,545.11
  6. Step 6: Final answer
    x = 8,030.34

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1.5x scale

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.