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Finding the Fourth Proportional to 20,196.95, 30,302.71 and 7,051.25

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Solution

The fourth proportional to 20,196.95, 30,302.71 and 7,051.25 is: 10,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.95 : 30,302.71 = 7,051.25 : x
  2. Step 2: Convert to fraction form
    20,196.95/30,302.71 = 7,051.25/x
  3. Step 3: Cross multiply
    20,196.95x = 30,302.71 × 7,051.25
  4. Step 4: Simplify right side
    20,196.95x = 213,672,042.02
  5. Step 5: Solve for x
    x = 213,672,042.02/20,196.95
  6. Step 6: Final answer
    x = 10,579.42

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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.