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Finding the Fourth Proportional to 3,307.83, 4,956.89 and 2,961.15

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Solution

The fourth proportional to 3,307.83, 4,956.89 and 2,961.15 is: 4,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.83 : 4,956.89 = 2,961.15 : x
  2. Step 2: Convert to fraction form
    3,307.83/4,956.89 = 2,961.15/x
  3. Step 3: Cross multiply
    3,307.83x = 4,956.89 × 2,961.15
  4. Step 4: Simplify right side
    3,307.83x = 14,678,080.02
  5. Step 5: Solve for x
    x = 14,678,080.02/3,307.83
  6. Step 6: Final answer
    x = 4,437.37

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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.