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Finding the Fourth Proportional to 58,596.90, 80,863.92 and 31,739.34

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Solution

The fourth proportional to 58,596.90, 80,863.92 and 31,739.34 is: 43,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,596.90 : 80,863.92 = 31,739.34 : x
  2. Step 2: Convert to fraction form
    58,596.90/80,863.92 = 31,739.34/x
  3. Step 3: Cross multiply
    58,596.90x = 80,863.92 × 31,739.34
  4. Step 4: Simplify right side
    58,596.90x = 2,566,567,450.61
  5. Step 5: Solve for x
    x = 2,566,567,450.61/58,596.90
  6. Step 6: Final answer
    x = 43,800.40

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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.