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Finding the Fourth Proportional to 5,799.13, 8,698.67 and 2,100.50

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Solution

The fourth proportional to 5,799.13, 8,698.67 and 2,100.50 is: 3,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.13 : 8,698.67 = 2,100.50 : x
  2. Step 2: Convert to fraction form
    5,799.13/8,698.67 = 2,100.50/x
  3. Step 3: Cross multiply
    5,799.13x = 8,698.67 × 2,100.50
  4. Step 4: Simplify right side
    5,799.13x = 18,271,518.09
  5. Step 5: Solve for x
    x = 18,271,518.09/5,799.13
  6. Step 6: Final answer
    x = 3,150.74

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Similar ratio
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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.