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Finding the Fourth Proportional to 2,997.90, 4,506.57 and 2,983.32

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Solution

The fourth proportional to 2,997.90, 4,506.57 and 2,983.32 is: 4,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.90 : 4,506.57 = 2,983.32 : x
  2. Step 2: Convert to fraction form
    2,997.90/4,506.57 = 2,983.32/x
  3. Step 3: Cross multiply
    2,997.90x = 4,506.57 × 2,983.32
  4. Step 4: Simplify right side
    2,997.90x = 13,444,540.41
  5. Step 5: Solve for x
    x = 13,444,540.41/2,997.90
  6. Step 6: Final answer
    x = 4,484.65

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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.