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Finding the Fourth Proportional to 9,331.30, 14,000.15 and 4,140.90

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Solution

The fourth proportional to 9,331.30, 14,000.15 and 4,140.90 is: 6,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.30 : 14,000.15 = 4,140.90 : x
  2. Step 2: Convert to fraction form
    9,331.30/14,000.15 = 4,140.90/x
  3. Step 3: Cross multiply
    9,331.30x = 14,000.15 × 4,140.90
  4. Step 4: Simplify right side
    9,331.30x = 57,973,221.14
  5. Step 5: Solve for x
    x = 57,973,221.14/9,331.30
  6. Step 6: Final answer
    x = 6,212.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.