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Finding the Fourth Proportional to 60,992.22, 91,452.18 and 18,859.83

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Solution

The fourth proportional to 60,992.22, 91,452.18 and 18,859.83 is: 28,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,992.22 : 91,452.18 = 18,859.83 : x
  2. Step 2: Convert to fraction form
    60,992.22/91,452.18 = 18,859.83/x
  3. Step 3: Cross multiply
    60,992.22x = 91,452.18 × 18,859.83
  4. Step 4: Simplify right side
    60,992.22x = 1,724,772,567.93
  5. Step 5: Solve for x
    x = 1,724,772,567.93/60,992.22
  6. Step 6: Final answer
    x = 28,278.57

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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.