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Finding the Fourth Proportional to 17,738.84, 26,610.84 and 9,416.72

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Solution

The fourth proportional to 17,738.84, 26,610.84 and 9,416.72 is: 14,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.84 : 26,610.84 = 9,416.72 : x
  2. Step 2: Convert to fraction form
    17,738.84/26,610.84 = 9,416.72/x
  3. Step 3: Cross multiply
    17,738.84x = 26,610.84 × 9,416.72
  4. Step 4: Simplify right side
    17,738.84x = 250,586,829.24
  5. Step 5: Solve for x
    x = 250,586,829.24/17,738.84
  6. Step 6: Final answer
    x = 14,126.45

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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.