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Finding the Fourth Proportional to 14,074.73, 21,088.73 and 9,906.02

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Solution

The fourth proportional to 14,074.73, 21,088.73 and 9,906.02 is: 14,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.73 : 21,088.73 = 9,906.02 : x
  2. Step 2: Convert to fraction form
    14,074.73/21,088.73 = 9,906.02/x
  3. Step 3: Cross multiply
    14,074.73x = 21,088.73 × 9,906.02
  4. Step 4: Simplify right side
    14,074.73x = 208,905,381.15
  5. Step 5: Solve for x
    x = 208,905,381.15/14,074.73
  6. Step 6: Final answer
    x = 14,842.59

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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.