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Finding the Fourth Proportional to 12,792.84, 19,192.14 and 5,003.88

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Solution

The fourth proportional to 12,792.84, 19,192.14 and 5,003.88 is: 7,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.84 : 19,192.14 = 5,003.88 : x
  2. Step 2: Convert to fraction form
    12,792.84/19,192.14 = 5,003.88/x
  3. Step 3: Cross multiply
    12,792.84x = 19,192.14 × 5,003.88
  4. Step 4: Simplify right side
    12,792.84x = 96,035,165.50
  5. Step 5: Solve for x
    x = 96,035,165.50/12,792.84
  6. Step 6: Final answer
    x = 7,506.95

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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.