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Finding the Fourth Proportional to 6,983.03, 10,464.53 and 5,415.68

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Solution

The fourth proportional to 6,983.03, 10,464.53 and 5,415.68 is: 8,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.03 : 10,464.53 = 5,415.68 : x
  2. Step 2: Convert to fraction form
    6,983.03/10,464.53 = 5,415.68/x
  3. Step 3: Cross multiply
    6,983.03x = 10,464.53 × 5,415.68
  4. Step 4: Simplify right side
    6,983.03x = 56,672,544.91
  5. Step 5: Solve for x
    x = 56,672,544.91/6,983.03
  6. Step 6: Final answer
    x = 8,115.75

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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.