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Finding the Fourth Proportional to 10,512, 15,768 and 5,895.36

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Solution

The fourth proportional to 10,512, 15,768 and 5,895.36 is: 8,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512 : 15,768 = 5,895.36 : x
  2. Step 2: Convert to fraction form
    10,512/15,768 = 5,895.36/x
  3. Step 3: Cross multiply
    10,512x = 15,768 × 5,895.36
  4. Step 4: Simplify right side
    10,512x = 92,958,036.48
  5. Step 5: Solve for x
    x = 92,958,036.48/10,512
  6. Step 6: Final answer
    x = 8,843.04

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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.