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Finding the Fourth Proportional to 4,674.80, 7,000.05 and 3,022.40

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Solution

The fourth proportional to 4,674.80, 7,000.05 and 3,022.40 is: 4,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.80 : 7,000.05 = 3,022.40 : x
  2. Step 2: Convert to fraction form
    4,674.80/7,000.05 = 3,022.40/x
  3. Step 3: Cross multiply
    4,674.80x = 7,000.05 × 3,022.40
  4. Step 4: Simplify right side
    4,674.80x = 21,156,951.12
  5. Step 5: Solve for x
    x = 21,156,951.12/4,674.80
  6. Step 6: Final answer
    x = 4,525.74

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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.