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Finding the Fourth Proportional to 26,738.88, 36,900.09 and 14,639.16

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Solution

The fourth proportional to 26,738.88, 36,900.09 and 14,639.16 is: 20,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,738.88 : 36,900.09 = 14,639.16 : x
  2. Step 2: Convert to fraction form
    26,738.88/36,900.09 = 14,639.16/x
  3. Step 3: Cross multiply
    26,738.88x = 36,900.09 × 14,639.16
  4. Step 4: Simplify right side
    26,738.88x = 540,186,376.42
  5. Step 5: Solve for x
    x = 540,186,376.42/26,738.88
  6. Step 6: Final answer
    x = 20,202.28

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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.