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Finding the Fourth Proportional to 4,815.73, 7,224.68 and 1,528.93

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Solution

The fourth proportional to 4,815.73, 7,224.68 and 1,528.93 is: 2,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.73 : 7,224.68 = 1,528.93 : x
  2. Step 2: Convert to fraction form
    4,815.73/7,224.68 = 1,528.93/x
  3. Step 3: Cross multiply
    4,815.73x = 7,224.68 × 1,528.93
  4. Step 4: Simplify right side
    4,815.73x = 11,046,029.99
  5. Step 5: Solve for x
    x = 11,046,029.99/4,815.73
  6. Step 6: Final answer
    x = 2,293.74

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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.