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Finding the Fourth Proportional to 25,760.87, 35,535.47 and 15,004.47

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Solution

The fourth proportional to 25,760.87, 35,535.47 and 15,004.47 is: 20,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.87 : 35,535.47 = 15,004.47 : x
  2. Step 2: Convert to fraction form
    25,760.87/35,535.47 = 15,004.47/x
  3. Step 3: Cross multiply
    25,760.87x = 35,535.47 × 15,004.47
  4. Step 4: Simplify right side
    25,760.87x = 533,190,818.53
  5. Step 5: Solve for x
    x = 533,190,818.53/25,760.87
  6. Step 6: Final answer
    x = 20,697.71

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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.