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Finding the Fourth Proportional to 34,347.90, 47,399.17 and 19,241.94

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Solution

The fourth proportional to 34,347.90, 47,399.17 and 19,241.94 is: 26,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,347.90 : 47,399.17 = 19,241.94 : x
  2. Step 2: Convert to fraction form
    34,347.90/47,399.17 = 19,241.94/x
  3. Step 3: Cross multiply
    34,347.90x = 47,399.17 × 19,241.94
  4. Step 4: Simplify right side
    34,347.90x = 912,051,985.19
  5. Step 5: Solve for x
    x = 912,051,985.19/34,347.90
  6. Step 6: Final answer
    x = 26,553.36

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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.