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Finding the Fourth Proportional to 6,612.67, 9,916.11 and 4,756.03

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Solution

The fourth proportional to 6,612.67, 9,916.11 and 4,756.03 is: 7,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.67 : 9,916.11 = 4,756.03 : x
  2. Step 2: Convert to fraction form
    6,612.67/9,916.11 = 4,756.03/x
  3. Step 3: Cross multiply
    6,612.67x = 9,916.11 × 4,756.03
  4. Step 4: Simplify right side
    6,612.67x = 47,161,316.64
  5. Step 5: Solve for x
    x = 47,161,316.64/6,612.67
  6. Step 6: Final answer
    x = 7,131.96

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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.