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Finding the Fourth Proportional to 26,105.99, 36,025.88 and 15,352.08

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Solution

The fourth proportional to 26,105.99, 36,025.88 and 15,352.08 is: 21,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.99 : 36,025.88 = 15,352.08 : x
  2. Step 2: Convert to fraction form
    26,105.99/36,025.88 = 15,352.08/x
  3. Step 3: Cross multiply
    26,105.99x = 36,025.88 × 15,352.08
  4. Step 4: Simplify right side
    26,105.99x = 553,072,115.07
  5. Step 5: Solve for x
    x = 553,072,115.07/26,105.99
  6. Step 6: Final answer
    x = 21,185.64

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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.