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Finding the Fourth Proportional to 4,741.71, 7,111.95 and 1,454.53

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Solution

The fourth proportional to 4,741.71, 7,111.95 and 1,454.53 is: 2,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.71 : 7,111.95 = 1,454.53 : x
  2. Step 2: Convert to fraction form
    4,741.71/7,111.95 = 1,454.53/x
  3. Step 3: Cross multiply
    4,741.71x = 7,111.95 × 1,454.53
  4. Step 4: Simplify right side
    4,741.71x = 10,344,562.92
  5. Step 5: Solve for x
    x = 10,344,562.92/4,741.71
  6. Step 6: Final answer
    x = 2,181.61

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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.