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Finding the Fourth Proportional to 10,168, 15,252.09 and 4,012

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Solution

The fourth proportional to 10,168, 15,252.09 and 4,012 is: 6,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168 : 15,252.09 = 4,012 : x
  2. Step 2: Convert to fraction form
    10,168/15,252.09 = 4,012/x
  3. Step 3: Cross multiply
    10,168x = 15,252.09 × 4,012
  4. Step 4: Simplify right side
    10,168x = 61,191,385.08
  5. Step 5: Solve for x
    x = 61,191,385.08/10,168
  6. Step 6: Final answer
    x = 6,018.04

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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.