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Finding the Fourth Proportional to 4,799.93, 7,199.28 and 2,025.20

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Solution

The fourth proportional to 4,799.93, 7,199.28 and 2,025.20 is: 3,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.93 : 7,199.28 = 2,025.20 : x
  2. Step 2: Convert to fraction form
    4,799.93/7,199.28 = 2,025.20/x
  3. Step 3: Cross multiply
    4,799.93x = 7,199.28 × 2,025.20
  4. Step 4: Simplify right side
    4,799.93x = 14,579,999.85
  5. Step 5: Solve for x
    x = 14,579,999.85/4,799.93
  6. Step 6: Final answer
    x = 3,037.55

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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.