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Finding the Fourth Proportional to 4,674.98, 7,008.76 and 2,333.78

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Solution

The fourth proportional to 4,674.98, 7,008.76 and 2,333.78 is: 3,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.98 : 7,008.76 = 2,333.78 : x
  2. Step 2: Convert to fraction form
    4,674.98/7,008.76 = 2,333.78/x
  3. Step 3: Cross multiply
    4,674.98x = 7,008.76 × 2,333.78
  4. Step 4: Simplify right side
    4,674.98x = 16,356,903.91
  5. Step 5: Solve for x
    x = 16,356,903.91/4,674.98
  6. Step 6: Final answer
    x = 3,498.82

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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.