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Finding the Fourth Proportional to 7,161.38, 9,883.14 and 4,767.22

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Solution

The fourth proportional to 7,161.38, 9,883.14 and 4,767.22 is: 6,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.38 : 9,883.14 = 4,767.22 : x
  2. Step 2: Convert to fraction form
    7,161.38/9,883.14 = 4,767.22/x
  3. Step 3: Cross multiply
    7,161.38x = 9,883.14 × 4,767.22
  4. Step 4: Simplify right side
    7,161.38x = 47,115,102.67
  5. Step 5: Solve for x
    x = 47,115,102.67/7,161.38
  6. Step 6: Final answer
    x = 6,579.05

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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.