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Finding the Fourth Proportional to 9,365.64, 14,049.42 and 3,123.99

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Solution

The fourth proportional to 9,365.64, 14,049.42 and 3,123.99 is: 4,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.64 : 14,049.42 = 3,123.99 : x
  2. Step 2: Convert to fraction form
    9,365.64/14,049.42 = 3,123.99/x
  3. Step 3: Cross multiply
    9,365.64x = 14,049.42 × 3,123.99
  4. Step 4: Simplify right side
    9,365.64x = 43,890,301.74
  5. Step 5: Solve for x
    x = 43,890,301.74/9,365.64
  6. Step 6: Final answer
    x = 4,686.31

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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.