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Finding the Fourth Proportional to 19,265.42, 28,904.03 and 17,278.49

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Solution

The fourth proportional to 19,265.42, 28,904.03 and 17,278.49 is: 25,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.42 : 28,904.03 = 17,278.49 : x
  2. Step 2: Convert to fraction form
    19,265.42/28,904.03 = 17,278.49/x
  3. Step 3: Cross multiply
    19,265.42x = 28,904.03 × 17,278.49
  4. Step 4: Simplify right side
    19,265.42x = 499,417,993.31
  5. Step 5: Solve for x
    x = 499,417,993.31/19,265.42
  6. Step 6: Final answer
    x = 25,923.03

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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.