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Finding the Fourth Proportional to 60,545.60, 90,832.84 and 18,992.56

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Solution

The fourth proportional to 60,545.60, 90,832.84 and 18,992.56 is: 28,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,545.60 : 90,832.84 = 18,992.56 : x
  2. Step 2: Convert to fraction form
    60,545.60/90,832.84 = 18,992.56/x
  3. Step 3: Cross multiply
    60,545.60x = 90,832.84 × 18,992.56
  4. Step 4: Simplify right side
    60,545.60x = 1,725,148,163.67
  5. Step 5: Solve for x
    x = 1,725,148,163.67/60,545.60
  6. Step 6: Final answer
    x = 28,493.37

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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.