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Finding the Fourth Proportional to 9,362.70, 14,043.92 and 2,788.92

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Solution

The fourth proportional to 9,362.70, 14,043.92 and 2,788.92 is: 4,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.70 : 14,043.92 = 2,788.92 : x
  2. Step 2: Convert to fraction form
    9,362.70/14,043.92 = 2,788.92/x
  3. Step 3: Cross multiply
    9,362.70x = 14,043.92 × 2,788.92
  4. Step 4: Simplify right side
    9,362.70x = 39,167,355.42
  5. Step 5: Solve for x
    x = 39,167,355.42/9,362.70
  6. Step 6: Final answer
    x = 4,183.34

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1.5x scale

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.