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Finding the Fourth Proportional to 2,602.60, 3,591.60 and 1,423.67

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Solution

The fourth proportional to 2,602.60, 3,591.60 and 1,423.67 is: 1,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.60 : 3,591.60 = 1,423.67 : x
  2. Step 2: Convert to fraction form
    2,602.60/3,591.60 = 1,423.67/x
  3. Step 3: Cross multiply
    2,602.60x = 3,591.60 × 1,423.67
  4. Step 4: Simplify right side
    2,602.60x = 5,113,229.88
  5. Step 5: Solve for x
    x = 5,113,229.88/2,602.60
  6. Step 6: Final answer
    x = 1,964.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.