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Finding the Fourth Proportional to 17,700.16, 26,546.88 and 7,169.56

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Solution

The fourth proportional to 17,700.16, 26,546.88 and 7,169.56 is: 10,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.16 : 26,546.88 = 7,169.56 : x
  2. Step 2: Convert to fraction form
    17,700.16/26,546.88 = 7,169.56/x
  3. Step 3: Cross multiply
    17,700.16x = 26,546.88 × 7,169.56
  4. Step 4: Simplify right side
    17,700.16x = 190,329,448.97
  5. Step 5: Solve for x
    x = 190,329,448.97/17,700.16
  6. Step 6: Final answer
    x = 10,752.98

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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.