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Finding the Fourth Proportional to 35,861.92, 53,794.08 and 12,169.24

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Solution

The fourth proportional to 35,861.92, 53,794.08 and 12,169.24 is: 18,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.92 : 53,794.08 = 12,169.24 : x
  2. Step 2: Convert to fraction form
    35,861.92/53,794.08 = 12,169.24/x
  3. Step 3: Cross multiply
    35,861.92x = 53,794.08 × 12,169.24
  4. Step 4: Simplify right side
    35,861.92x = 654,633,070.10
  5. Step 5: Solve for x
    x = 654,633,070.10/35,861.92
  6. Step 6: Final answer
    x = 18,254.27

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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.