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Finding the Fourth Proportional to 4,774.72, 7,159.68 and 2,000.64

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Solution

The fourth proportional to 4,774.72, 7,159.68 and 2,000.64 is: 2,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.72 : 7,159.68 = 2,000.64 : x
  2. Step 2: Convert to fraction form
    4,774.72/7,159.68 = 2,000.64/x
  3. Step 3: Cross multiply
    4,774.72x = 7,159.68 × 2,000.64
  4. Step 4: Simplify right side
    4,774.72x = 14,323,942.20
  5. Step 5: Solve for x
    x = 14,323,942.20/4,774.72
  6. Step 6: Final answer
    x = 2,999.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.