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Finding the Fourth Proportional to 6,411.55, 9,599.95 and 3,327.07

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Solution

The fourth proportional to 6,411.55, 9,599.95 and 3,327.07 is: 4,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.55 : 9,599.95 = 3,327.07 : x
  2. Step 2: Convert to fraction form
    6,411.55/9,599.95 = 3,327.07/x
  3. Step 3: Cross multiply
    6,411.55x = 9,599.95 × 3,327.07
  4. Step 4: Simplify right side
    6,411.55x = 31,939,705.65
  5. Step 5: Solve for x
    x = 31,939,705.65/6,411.55
  6. Step 6: Final answer
    x = 4,981.59

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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.