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Finding the Fourth Proportional to 10,008, 15,012 and 4,536

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Solution

The fourth proportional to 10,008, 15,012 and 4,536 is: 6,804

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008 : 15,012 = 4,536 : x
  2. Step 2: Convert to fraction form
    10,008/15,012 = 4,536/x
  3. Step 3: Cross multiply
    10,008x = 15,012 × 4,536
  4. Step 4: Simplify right side
    10,008x = 68,094,432
  5. Step 5: Solve for x
    x = 68,094,432/10,008
  6. Step 6: Final answer
    x = 6,804

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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.