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Finding the Fourth Proportional to 5,998.60, 9,000.63 and 3,078.96

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Solution

The fourth proportional to 5,998.60, 9,000.63 and 3,078.96 is: 4,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.60 : 9,000.63 = 3,078.96 : x
  2. Step 2: Convert to fraction form
    5,998.60/9,000.63 = 3,078.96/x
  3. Step 3: Cross multiply
    5,998.60x = 9,000.63 × 3,078.96
  4. Step 4: Simplify right side
    5,998.60x = 27,712,534.74
  5. Step 5: Solve for x
    x = 27,712,534.74/5,998.60
  6. Step 6: Final answer
    x = 4,619.83

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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.