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Finding the Fourth Proportional to 2,909.55, 4,359.67 and 2,832.67

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Solution

The fourth proportional to 2,909.55, 4,359.67 and 2,832.67 is: 4,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.55 : 4,359.67 = 2,832.67 : x
  2. Step 2: Convert to fraction form
    2,909.55/4,359.67 = 2,832.67/x
  3. Step 3: Cross multiply
    2,909.55x = 4,359.67 × 2,832.67
  4. Step 4: Simplify right side
    2,909.55x = 12,349,488.44
  5. Step 5: Solve for x
    x = 12,349,488.44/2,909.55
  6. Step 6: Final answer
    x = 4,244.47

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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.