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Finding the Fourth Proportional to 34,978.23, 48,269.66 and 19,062.68

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Solution

The fourth proportional to 34,978.23, 48,269.66 and 19,062.68 is: 26,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,978.23 : 48,269.66 = 19,062.68 : x
  2. Step 2: Convert to fraction form
    34,978.23/48,269.66 = 19,062.68/x
  3. Step 3: Cross multiply
    34,978.23x = 48,269.66 × 19,062.68
  4. Step 4: Simplify right side
    34,978.23x = 920,148,745.63
  5. Step 5: Solve for x
    x = 920,148,745.63/34,978.23
  6. Step 6: Final answer
    x = 26,306.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.