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Finding the Fourth Proportional to 19,375.53, 29,038.92 and 10,490.51

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Solution

The fourth proportional to 19,375.53, 29,038.92 and 10,490.51 is: 15,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.53 : 29,038.92 = 10,490.51 : x
  2. Step 2: Convert to fraction form
    19,375.53/29,038.92 = 10,490.51/x
  3. Step 3: Cross multiply
    19,375.53x = 29,038.92 × 10,490.51
  4. Step 4: Simplify right side
    19,375.53x = 304,632,935.45
  5. Step 5: Solve for x
    x = 304,632,935.45/19,375.53
  6. Step 6: Final answer
    x = 15,722.56

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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.