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Finding the Fourth Proportional to 32,363.89, 48,545.82 and 8,990.32

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Solution

The fourth proportional to 32,363.89, 48,545.82 and 8,990.32 is: 13,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,363.89 : 48,545.82 = 8,990.32 : x
  2. Step 2: Convert to fraction form
    32,363.89/48,545.82 = 8,990.32/x
  3. Step 3: Cross multiply
    32,363.89x = 48,545.82 × 8,990.32
  4. Step 4: Simplify right side
    32,363.89x = 436,442,456.46
  5. Step 5: Solve for x
    x = 436,442,456.46/32,363.89
  6. Step 6: Final answer
    x = 13,485.48

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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.