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Finding the Fourth Proportional to 26,697.99, 36,844.60 and 15,369.12

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Solution

The fourth proportional to 26,697.99, 36,844.60 and 15,369.12 is: 21,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.99 : 36,844.60 = 15,369.12 : x
  2. Step 2: Convert to fraction form
    26,697.99/36,844.60 = 15,369.12/x
  3. Step 3: Cross multiply
    26,697.99x = 36,844.60 × 15,369.12
  4. Step 4: Simplify right side
    26,697.99x = 566,269,078.75
  5. Step 5: Solve for x
    x = 566,269,078.75/26,697.99
  6. Step 6: Final answer
    x = 21,210.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.