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Finding the Fourth Proportional to 9,545.72, 13,173.08 and 5,819.72

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Solution

The fourth proportional to 9,545.72, 13,173.08 and 5,819.72 is: 8,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.72 : 13,173.08 = 5,819.72 : x
  2. Step 2: Convert to fraction form
    9,545.72/13,173.08 = 5,819.72/x
  3. Step 3: Cross multiply
    9,545.72x = 13,173.08 × 5,819.72
  4. Step 4: Simplify right side
    9,545.72x = 76,663,637.14
  5. Step 5: Solve for x
    x = 76,663,637.14/9,545.72
  6. Step 6: Final answer
    x = 8,031.21

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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.