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Finding the Fourth Proportional to 58,861.45, 81,230.44 and 32,005.80

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Solution

The fourth proportional to 58,861.45, 81,230.44 and 32,005.80 is: 44,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.45 : 81,230.44 = 32,005.80 : x
  2. Step 2: Convert to fraction form
    58,861.45/81,230.44 = 32,005.80/x
  3. Step 3: Cross multiply
    58,861.45x = 81,230.44 × 32,005.80
  4. Step 4: Simplify right side
    58,861.45x = 2,599,845,216.55
  5. Step 5: Solve for x
    x = 2,599,845,216.55/58,861.45
  6. Step 6: Final answer
    x = 44,168.90

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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.