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Finding the Fourth Proportional to 5,990.12, 8,983.88 and 5,693.66

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Solution

The fourth proportional to 5,990.12, 8,983.88 and 5,693.66 is: 8,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.12 : 8,983.88 = 5,693.66 : x
  2. Step 2: Convert to fraction form
    5,990.12/8,983.88 = 5,693.66/x
  3. Step 3: Cross multiply
    5,990.12x = 8,983.88 × 5,693.66
  4. Step 4: Simplify right side
    5,990.12x = 51,151,158.20
  5. Step 5: Solve for x
    x = 51,151,158.20/5,990.12
  6. Step 6: Final answer
    x = 8,539.25

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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.