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Finding the Fourth Proportional to 17,756.58, 26,627.94 and 6,657.21

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Solution

The fourth proportional to 17,756.58, 26,627.94 and 6,657.21 is: 9,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.58 : 26,627.94 = 6,657.21 : x
  2. Step 2: Convert to fraction form
    17,756.58/26,627.94 = 6,657.21/x
  3. Step 3: Cross multiply
    17,756.58x = 26,627.94 × 6,657.21
  4. Step 4: Simplify right side
    17,756.58x = 177,267,622.02
  5. Step 5: Solve for x
    x = 177,267,622.02/17,756.58
  6. Step 6: Final answer
    x = 9,983.21

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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.