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Finding the Fourth Proportional to 12,437.16, 18,649.89 and 5,035.99

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Solution

The fourth proportional to 12,437.16, 18,649.89 and 5,035.99 is: 7,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.16 : 18,649.89 = 5,035.99 : x
  2. Step 2: Convert to fraction form
    12,437.16/18,649.89 = 5,035.99/x
  3. Step 3: Cross multiply
    12,437.16x = 18,649.89 × 5,035.99
  4. Step 4: Simplify right side
    12,437.16x = 93,920,659.54
  5. Step 5: Solve for x
    x = 93,920,659.54/12,437.16
  6. Step 6: Final answer
    x = 7,551.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.