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Finding the Fourth Proportional to 19,498.36, 26,907.74 and 10,545.87

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Solution

The fourth proportional to 19,498.36, 26,907.74 and 10,545.87 is: 14,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.36 : 26,907.74 = 10,545.87 : x
  2. Step 2: Convert to fraction form
    19,498.36/26,907.74 = 10,545.87/x
  3. Step 3: Cross multiply
    19,498.36x = 26,907.74 × 10,545.87
  4. Step 4: Simplify right side
    19,498.36x = 283,765,528.03
  5. Step 5: Solve for x
    x = 283,765,528.03/19,498.36
  6. Step 6: Final answer
    x = 14,553.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.