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Finding the Fourth Proportional to 6,011.52, 9,018 and 2,115.12

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Solution

The fourth proportional to 6,011.52, 9,018 and 2,115.12 is: 3,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,011.52 : 9,018 = 2,115.12 : x
  2. Step 2: Convert to fraction form
    6,011.52/9,018 = 2,115.12/x
  3. Step 3: Cross multiply
    6,011.52x = 9,018 × 2,115.12
  4. Step 4: Simplify right side
    6,011.52x = 19,074,152.16
  5. Step 5: Solve for x
    x = 19,074,152.16/6,011.52
  6. Step 6: Final answer
    x = 3,172.93

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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.