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Finding the Fourth Proportional to 4,788.79, 7,185.99 and 2,015.24

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Solution

The fourth proportional to 4,788.79, 7,185.99 and 2,015.24 is: 3,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.79 : 7,185.99 = 2,015.24 : x
  2. Step 2: Convert to fraction form
    4,788.79/7,185.99 = 2,015.24/x
  3. Step 3: Cross multiply
    4,788.79x = 7,185.99 × 2,015.24
  4. Step 4: Simplify right side
    4,788.79x = 14,481,494.49
  5. Step 5: Solve for x
    x = 14,481,494.49/4,788.79
  6. Step 6: Final answer
    x = 3,024.04

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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.