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Finding the Fourth Proportional to 17,756.57, 26,627.93 and 6,657.20

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Solution

The fourth proportional to 17,756.57, 26,627.93 and 6,657.20 is: 9,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.57 : 26,627.93 = 6,657.20 : x
  2. Step 2: Convert to fraction form
    17,756.57/26,627.93 = 6,657.20/x
  3. Step 3: Cross multiply
    17,756.57x = 26,627.93 × 6,657.20
  4. Step 4: Simplify right side
    17,756.57x = 177,267,455.60
  5. Step 5: Solve for x
    x = 177,267,455.60/17,756.57
  6. Step 6: Final answer
    x = 9,983.20

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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.