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Finding the Fourth Proportional to 58,163.98, 80,245.86 and 38,032.65

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Solution

The fourth proportional to 58,163.98, 80,245.86 and 38,032.65 is: 52,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,163.98 : 80,245.86 = 38,032.65 : x
  2. Step 2: Convert to fraction form
    58,163.98/80,245.86 = 38,032.65/x
  3. Step 3: Cross multiply
    58,163.98x = 80,245.86 × 38,032.65
  4. Step 4: Simplify right side
    58,163.98x = 3,051,962,707.33
  5. Step 5: Solve for x
    x = 3,051,962,707.33/58,163.98
  6. Step 6: Final answer
    x = 52,471.70

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1.5x scale

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.