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Finding the Fourth Proportional to 5,039.87, 7,509.16 and 4,756.92

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Solution

The fourth proportional to 5,039.87, 7,509.16 and 4,756.92 is: 7,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.87 : 7,509.16 = 4,756.92 : x
  2. Step 2: Convert to fraction form
    5,039.87/7,509.16 = 4,756.92/x
  3. Step 3: Cross multiply
    5,039.87x = 7,509.16 × 4,756.92
  4. Step 4: Simplify right side
    5,039.87x = 35,720,473.39
  5. Step 5: Solve for x
    x = 35,720,473.39/5,039.87
  6. Step 6: Final answer
    x = 7,087.58

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.