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Finding the Fourth Proportional to 6,617.70, 9,926.55 and 1,937.52

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Solution

The fourth proportional to 6,617.70, 9,926.55 and 1,937.52 is: 2,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.70 : 9,926.55 = 1,937.52 : x
  2. Step 2: Convert to fraction form
    6,617.70/9,926.55 = 1,937.52/x
  3. Step 3: Cross multiply
    6,617.70x = 9,926.55 × 1,937.52
  4. Step 4: Simplify right side
    6,617.70x = 19,232,889.16
  5. Step 5: Solve for x
    x = 19,232,889.16/6,617.70
  6. Step 6: Final answer
    x = 2,906.28

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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.