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Finding the Fourth Proportional to 34,135.86, 47,107.70 and 19,029.48

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Solution

The fourth proportional to 34,135.86, 47,107.70 and 19,029.48 is: 26,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.86 : 47,107.70 = 19,029.48 : x
  2. Step 2: Convert to fraction form
    34,135.86/47,107.70 = 19,029.48/x
  3. Step 3: Cross multiply
    34,135.86x = 47,107.70 × 19,029.48
  4. Step 4: Simplify right side
    34,135.86x = 896,435,035.00
  5. Step 5: Solve for x
    x = 896,435,035.00/34,135.86
  6. Step 6: Final answer
    x = 26,260.80

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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.