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Finding the Fourth Proportional to 12,501, 18,752.11 and 3,735.99

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Solution

The fourth proportional to 12,501, 18,752.11 and 3,735.99 is: 5,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501 : 18,752.11 = 3,735.99 : x
  2. Step 2: Convert to fraction form
    12,501/18,752.11 = 3,735.99/x
  3. Step 3: Cross multiply
    12,501x = 18,752.11 × 3,735.99
  4. Step 4: Simplify right side
    12,501x = 70,057,686.10
  5. Step 5: Solve for x
    x = 70,057,686.10/12,501
  6. Step 6: Final answer
    x = 5,604.17

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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.