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Finding the Fourth Proportional to 12,424.59, 18,637.29 and 5,029.29

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Solution

The fourth proportional to 12,424.59, 18,637.29 and 5,029.29 is: 7,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.59 : 18,637.29 = 5,029.29 : x
  2. Step 2: Convert to fraction form
    12,424.59/18,637.29 = 5,029.29/x
  3. Step 3: Cross multiply
    12,424.59x = 18,637.29 × 5,029.29
  4. Step 4: Simplify right side
    12,424.59x = 93,732,336.22
  5. Step 5: Solve for x
    x = 93,732,336.22/12,424.59
  6. Step 6: Final answer
    x = 7,544.10

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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.