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Finding the Fourth Proportional to 6,589.58, 9,887.72 and 2,890.85

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Solution

The fourth proportional to 6,589.58, 9,887.72 and 2,890.85 is: 4,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.58 : 9,887.72 = 2,890.85 : x
  2. Step 2: Convert to fraction form
    6,589.58/9,887.72 = 2,890.85/x
  3. Step 3: Cross multiply
    6,589.58x = 9,887.72 × 2,890.85
  4. Step 4: Simplify right side
    6,589.58x = 28,583,851.47
  5. Step 5: Solve for x
    x = 28,583,851.47/6,589.58
  6. Step 6: Final answer
    x = 4,337.74

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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.