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Finding the Fourth Proportional to 4,975.87, 7,457.08 and 1,896.19

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Solution

The fourth proportional to 4,975.87, 7,457.08 and 1,896.19 is: 2,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.87 : 7,457.08 = 1,896.19 : x
  2. Step 2: Convert to fraction form
    4,975.87/7,457.08 = 1,896.19/x
  3. Step 3: Cross multiply
    4,975.87x = 7,457.08 × 1,896.19
  4. Step 4: Simplify right side
    4,975.87x = 14,140,040.53
  5. Step 5: Solve for x
    x = 14,140,040.53/4,975.87
  6. Step 6: Final answer
    x = 2,841.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.