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Finding the Fourth Proportional to 34,861.92, 52,276.47 and 12,659.63

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Solution

The fourth proportional to 34,861.92, 52,276.47 and 12,659.63 is: 18,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.92 : 52,276.47 = 12,659.63 : x
  2. Step 2: Convert to fraction form
    34,861.92/52,276.47 = 12,659.63/x
  3. Step 3: Cross multiply
    34,861.92x = 52,276.47 × 12,659.63
  4. Step 4: Simplify right side
    34,861.92x = 661,800,506.52
  5. Step 5: Solve for x
    x = 661,800,506.52/34,861.92
  6. Step 6: Final answer
    x = 18,983.48

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1.5x scale

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.