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Finding the Fourth Proportional to 17,700.15, 26,550.16 and 6,609.63

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Solution

The fourth proportional to 17,700.15, 26,550.16 and 6,609.63 is: 9,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.15 : 26,550.16 = 6,609.63 : x
  2. Step 2: Convert to fraction form
    17,700.15/26,550.16 = 6,609.63/x
  3. Step 3: Cross multiply
    17,700.15x = 26,550.16 × 6,609.63
  4. Step 4: Simplify right side
    17,700.15x = 175,486,717.52
  5. Step 5: Solve for x
    x = 175,486,717.52/17,700.15
  6. Step 6: Final answer
    x = 9,914.42

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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.