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Finding the Fourth Proportional to 4,803.64, 7,205.46 and 2,208.40

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Solution

The fourth proportional to 4,803.64, 7,205.46 and 2,208.40 is: 3,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.64 : 7,205.46 = 2,208.40 : x
  2. Step 2: Convert to fraction form
    4,803.64/7,205.46 = 2,208.40/x
  3. Step 3: Cross multiply
    4,803.64x = 7,205.46 × 2,208.40
  4. Step 4: Simplify right side
    4,803.64x = 15,912,537.86
  5. Step 5: Solve for x
    x = 15,912,537.86/4,803.64
  6. Step 6: Final answer
    x = 3,312.60

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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.