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Finding the Fourth Proportional to 8,224.32, 12,332.16 and 6,168

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Solution

The fourth proportional to 8,224.32, 12,332.16 and 6,168 is: 9,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.32 : 12,332.16 = 6,168 : x
  2. Step 2: Convert to fraction form
    8,224.32/12,332.16 = 6,168/x
  3. Step 3: Cross multiply
    8,224.32x = 12,332.16 × 6,168
  4. Step 4: Simplify right side
    8,224.32x = 76,064,762.88
  5. Step 5: Solve for x
    x = 76,064,762.88/8,224.32
  6. Step 6: Final answer
    x = 9,248.76

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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.