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Finding the Fourth Proportional to 19,027.71, 28,549.77 and 10,260.60

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Solution

The fourth proportional to 19,027.71, 28,549.77 and 10,260.60 is: 15,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.71 : 28,549.77 = 10,260.60 : x
  2. Step 2: Convert to fraction form
    19,027.71/28,549.77 = 10,260.60/x
  3. Step 3: Cross multiply
    19,027.71x = 28,549.77 × 10,260.60
  4. Step 4: Simplify right side
    19,027.71x = 292,937,770.06
  5. Step 5: Solve for x
    x = 292,937,770.06/19,027.71
  6. Step 6: Final answer
    x = 15,395.32

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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.