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Finding the Fourth Proportional to 8,369.03, 12,545.53 and 3,102.63

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Solution

The fourth proportional to 8,369.03, 12,545.53 and 3,102.63 is: 4,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.03 : 12,545.53 = 3,102.63 : x
  2. Step 2: Convert to fraction form
    8,369.03/12,545.53 = 3,102.63/x
  3. Step 3: Cross multiply
    8,369.03x = 12,545.53 × 3,102.63
  4. Step 4: Simplify right side
    8,369.03x = 38,924,137.74
  5. Step 5: Solve for x
    x = 38,924,137.74/8,369.03
  6. Step 6: Final answer
    x = 4,650.97

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1.5x scale

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.