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Finding the Fourth Proportional to 4,509.63, 6,753.93 and 4,353.90

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Solution

The fourth proportional to 4,509.63, 6,753.93 and 4,353.90 is: 6,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.63 : 6,753.93 = 4,353.90 : x
  2. Step 2: Convert to fraction form
    4,509.63/6,753.93 = 4,353.90/x
  3. Step 3: Cross multiply
    4,509.63x = 6,753.93 × 4,353.90
  4. Step 4: Simplify right side
    4,509.63x = 29,405,935.83
  5. Step 5: Solve for x
    x = 29,405,935.83/4,509.63
  6. Step 6: Final answer
    x = 6,520.70

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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.