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Finding the Fourth Proportional to 6,384.85, 8,810.17 and 3,552.09

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Solution

The fourth proportional to 6,384.85, 8,810.17 and 3,552.09 is: 4,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.85 : 8,810.17 = 3,552.09 : x
  2. Step 2: Convert to fraction form
    6,384.85/8,810.17 = 3,552.09/x
  3. Step 3: Cross multiply
    6,384.85x = 8,810.17 × 3,552.09
  4. Step 4: Simplify right side
    6,384.85x = 31,294,516.76
  5. Step 5: Solve for x
    x = 31,294,516.76/6,384.85
  6. Step 6: Final answer
    x = 4,901.37

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1.5x scale

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.