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Finding the Fourth Proportional to 27,770.39, 41,655.53 and 6,993.89

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Solution

The fourth proportional to 27,770.39, 41,655.53 and 6,993.89 is: 10,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.39 : 41,655.53 = 6,993.89 : x
  2. Step 2: Convert to fraction form
    27,770.39/41,655.53 = 6,993.89/x
  3. Step 3: Cross multiply
    27,770.39x = 41,655.53 × 6,993.89
  4. Step 4: Simplify right side
    27,770.39x = 291,334,003.92
  5. Step 5: Solve for x
    x = 291,334,003.92/27,770.39
  6. Step 6: Final answer
    x = 10,490.82

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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.