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Finding the Fourth Proportional to 6,983.02, 9,626.60 and 4,992.86

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Solution

The fourth proportional to 6,983.02, 9,626.60 and 4,992.86 is: 6,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.02 : 9,626.60 = 4,992.86 : x
  2. Step 2: Convert to fraction form
    6,983.02/9,626.60 = 4,992.86/x
  3. Step 3: Cross multiply
    6,983.02x = 9,626.60 × 4,992.86
  4. Step 4: Simplify right side
    6,983.02x = 48,064,266.08
  5. Step 5: Solve for x
    x = 48,064,266.08/6,983.02
  6. Step 6: Final answer
    x = 6,883.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.