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Finding the Fourth Proportional to 27,113.58, 40,670.37 and 7,391.70

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Solution

The fourth proportional to 27,113.58, 40,670.37 and 7,391.70 is: 11,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.58 : 40,670.37 = 7,391.70 : x
  2. Step 2: Convert to fraction form
    27,113.58/40,670.37 = 7,391.70/x
  3. Step 3: Cross multiply
    27,113.58x = 40,670.37 × 7,391.70
  4. Step 4: Simplify right side
    27,113.58x = 300,623,173.93
  5. Step 5: Solve for x
    x = 300,623,173.93/27,113.58
  6. Step 6: Final answer
    x = 11,087.55

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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.