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Finding the Fourth Proportional to 9,061, 13,593.45 and 2,820.88

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Solution

The fourth proportional to 9,061, 13,593.45 and 2,820.88 is: 4,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061 : 13,593.45 = 2,820.88 : x
  2. Step 2: Convert to fraction form
    9,061/13,593.45 = 2,820.88/x
  3. Step 3: Cross multiply
    9,061x = 13,593.45 × 2,820.88
  4. Step 4: Simplify right side
    9,061x = 38,345,491.24
  5. Step 5: Solve for x
    x = 38,345,491.24/9,061
  6. Step 6: Final answer
    x = 4,231.93

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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.