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Finding the Fourth Proportional to 5,990.66, 8,987.51 and 1,830.50

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Solution

The fourth proportional to 5,990.66, 8,987.51 and 1,830.50 is: 2,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.66 : 8,987.51 = 1,830.50 : x
  2. Step 2: Convert to fraction form
    5,990.66/8,987.51 = 1,830.50/x
  3. Step 3: Cross multiply
    5,990.66x = 8,987.51 × 1,830.50
  4. Step 4: Simplify right side
    5,990.66x = 16,451,620.10
  5. Step 5: Solve for x
    x = 16,451,620.10/5,990.66
  6. Step 6: Final answer
    x = 2,746.21

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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.