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Finding the Fourth Proportional to 70,379.03, 105,494.73 and 32,907.52

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Solution

The fourth proportional to 70,379.03, 105,494.73 and 32,907.52 is: 49,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,379.03 : 105,494.73 = 32,907.52 : x
  2. Step 2: Convert to fraction form
    70,379.03/105,494.73 = 32,907.52/x
  3. Step 3: Cross multiply
    70,379.03x = 105,494.73 × 32,907.52
  4. Step 4: Simplify right side
    70,379.03x = 3,471,569,444.98
  5. Step 5: Solve for x
    x = 3,471,569,444.98/70,379.03
  6. Step 6: Final answer
    x = 49,326.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.