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Finding the Fourth Proportional to 14,716.86, 22,078.53 and 14,071.02

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Solution

The fourth proportional to 14,716.86, 22,078.53 and 14,071.02 is: 21,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.86 : 22,078.53 = 14,071.02 : x
  2. Step 2: Convert to fraction form
    14,716.86/22,078.53 = 14,071.02/x
  3. Step 3: Cross multiply
    14,716.86x = 22,078.53 × 14,071.02
  4. Step 4: Simplify right side
    14,716.86x = 310,667,437.20
  5. Step 5: Solve for x
    x = 310,667,437.20/14,716.86
  6. Step 6: Final answer
    x = 21,109.63

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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.