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Finding the Fourth Proportional to 27,019.15, 40,530.77 and 7,297.42

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Solution

The fourth proportional to 27,019.15, 40,530.77 and 7,297.42 is: 10,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.15 : 40,530.77 = 7,297.42 : x
  2. Step 2: Convert to fraction form
    27,019.15/40,530.77 = 7,297.42/x
  3. Step 3: Cross multiply
    27,019.15x = 40,530.77 × 7,297.42
  4. Step 4: Simplify right side
    27,019.15x = 295,770,051.61
  5. Step 5: Solve for x
    x = 295,770,051.61/27,019.15
  6. Step 6: Final answer
    x = 10,946.68

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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.