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Finding the Fourth Proportional to 3,156.44, 4,734.02 and 3,000.32

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Solution

The fourth proportional to 3,156.44, 4,734.02 and 3,000.32 is: 4,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.44 : 4,734.02 = 3,000.32 : x
  2. Step 2: Convert to fraction form
    3,156.44/4,734.02 = 3,000.32/x
  3. Step 3: Cross multiply
    3,156.44x = 4,734.02 × 3,000.32
  4. Step 4: Simplify right side
    3,156.44x = 14,203,574.89
  5. Step 5: Solve for x
    x = 14,203,574.89/3,156.44
  6. Step 6: Final answer
    x = 4,499.87

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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.