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Finding the Fourth Proportional to 5,627.73, 8,441.73 and 1,929.93

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Solution

The fourth proportional to 5,627.73, 8,441.73 and 1,929.93 is: 2,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.73 : 8,441.73 = 1,929.93 : x
  2. Step 2: Convert to fraction form
    5,627.73/8,441.73 = 1,929.93/x
  3. Step 3: Cross multiply
    5,627.73x = 8,441.73 × 1,929.93
  4. Step 4: Simplify right side
    5,627.73x = 16,291,947.98
  5. Step 5: Solve for x
    x = 16,291,947.98/5,627.73
  6. Step 6: Final answer
    x = 2,894.94

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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.