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Finding the Fourth Proportional to 4,871.70, 6,720.94 and 3,598.62

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Solution

The fourth proportional to 4,871.70, 6,720.94 and 3,598.62 is: 4,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.70 : 6,720.94 = 3,598.62 : x
  2. Step 2: Convert to fraction form
    4,871.70/6,720.94 = 3,598.62/x
  3. Step 3: Cross multiply
    4,871.70x = 6,720.94 × 3,598.62
  4. Step 4: Simplify right side
    4,871.70x = 24,186,109.10
  5. Step 5: Solve for x
    x = 24,186,109.10/4,871.70
  6. Step 6: Final answer
    x = 4,964.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.