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Finding the Fourth Proportional to 11,931.37, 16,469.71 and 10,246.01

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Solution

The fourth proportional to 11,931.37, 16,469.71 and 10,246.01 is: 14,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.37 : 16,469.71 = 10,246.01 : x
  2. Step 2: Convert to fraction form
    11,931.37/16,469.71 = 10,246.01/x
  3. Step 3: Cross multiply
    11,931.37x = 16,469.71 × 10,246.01
  4. Step 4: Simplify right side
    11,931.37x = 168,748,705.39
  5. Step 5: Solve for x
    x = 168,748,705.39/11,931.37
  6. Step 6: Final answer
    x = 14,143.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.