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Finding the Fourth Proportional to 7,328.58, 10,985.11 and 2,396.89

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Solution

The fourth proportional to 7,328.58, 10,985.11 and 2,396.89 is: 3,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.58 : 10,985.11 = 2,396.89 : x
  2. Step 2: Convert to fraction form
    7,328.58/10,985.11 = 2,396.89/x
  3. Step 3: Cross multiply
    7,328.58x = 10,985.11 × 2,396.89
  4. Step 4: Simplify right side
    7,328.58x = 26,330,100.31
  5. Step 5: Solve for x
    x = 26,330,100.31/7,328.58
  6. Step 6: Final answer
    x = 3,592.80

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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.