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Finding the Fourth Proportional to 26,393.16, 39,580.08 and 7,668.12

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Solution

The fourth proportional to 26,393.16, 39,580.08 and 7,668.12 is: 11,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.16 : 39,580.08 = 7,668.12 : x
  2. Step 2: Convert to fraction form
    26,393.16/39,580.08 = 7,668.12/x
  3. Step 3: Cross multiply
    26,393.16x = 39,580.08 × 7,668.12
  4. Step 4: Simplify right side
    26,393.16x = 303,504,803.05
  5. Step 5: Solve for x
    x = 303,504,803.05/26,393.16
  6. Step 6: Final answer
    x = 11,499.37

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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.