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Finding the Fourth Proportional to 19,907.59, 29,840.43 and 10,026.11

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Solution

The fourth proportional to 19,907.59, 29,840.43 and 10,026.11 is: 15,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.59 : 29,840.43 = 10,026.11 : x
  2. Step 2: Convert to fraction form
    19,907.59/29,840.43 = 10,026.11/x
  3. Step 3: Cross multiply
    19,907.59x = 29,840.43 × 10,026.11
  4. Step 4: Simplify right side
    19,907.59x = 299,183,433.63
  5. Step 5: Solve for x
    x = 299,183,433.63/19,907.59
  6. Step 6: Final answer
    x = 15,028.61

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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.