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Finding the Fourth Proportional to 5,989.89, 8,985.74 and 3,651.62

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Solution

The fourth proportional to 5,989.89, 8,985.74 and 3,651.62 is: 5,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.89 : 8,985.74 = 3,651.62 : x
  2. Step 2: Convert to fraction form
    5,989.89/8,985.74 = 3,651.62/x
  3. Step 3: Cross multiply
    5,989.89x = 8,985.74 × 3,651.62
  4. Step 4: Simplify right side
    5,989.89x = 32,812,444.71
  5. Step 5: Solve for x
    x = 32,812,444.71/5,989.89
  6. Step 6: Final answer
    x = 5,477.97

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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.