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Finding the Fourth Proportional to 6,664.47, 9,994.43 and 4,810.08

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Solution

The fourth proportional to 6,664.47, 9,994.43 and 4,810.08 is: 7,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.47 : 9,994.43 = 4,810.08 : x
  2. Step 2: Convert to fraction form
    6,664.47/9,994.43 = 4,810.08/x
  3. Step 3: Cross multiply
    6,664.47x = 9,994.43 × 4,810.08
  4. Step 4: Simplify right side
    6,664.47x = 48,074,007.85
  5. Step 5: Solve for x
    x = 48,074,007.85/6,664.47
  6. Step 6: Final answer
    x = 7,213.48

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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.