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Finding the Fourth Proportional to 34,993.35, 48,291.30 and 19,078.02

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Solution

The fourth proportional to 34,993.35, 48,291.30 and 19,078.02 is: 26,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.35 : 48,291.30 = 19,078.02 : x
  2. Step 2: Convert to fraction form
    34,993.35/48,291.30 = 19,078.02/x
  3. Step 3: Cross multiply
    34,993.35x = 48,291.30 × 19,078.02
  4. Step 4: Simplify right side
    34,993.35x = 921,302,387.23
  5. Step 5: Solve for x
    x = 921,302,387.23/34,993.35
  6. Step 6: Final answer
    x = 26,327.93

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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.