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Finding the Fourth Proportional to 4,799.94, 7,199.30 and 1,512.77

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Solution

The fourth proportional to 4,799.94, 7,199.30 and 1,512.77 is: 2,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.94 : 7,199.30 = 1,512.77 : x
  2. Step 2: Convert to fraction form
    4,799.94/7,199.30 = 1,512.77/x
  3. Step 3: Cross multiply
    4,799.94x = 7,199.30 × 1,512.77
  4. Step 4: Simplify right side
    4,799.94x = 10,890,841.50
  5. Step 5: Solve for x
    x = 10,890,841.50/4,799.94
  6. Step 6: Final answer
    x = 2,268.95

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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.