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Finding the Fourth Proportional to 35,873.92, 53,810.34 and 16,138.54

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Solution

The fourth proportional to 35,873.92, 53,810.34 and 16,138.54 is: 24,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.92 : 53,810.34 = 16,138.54 : x
  2. Step 2: Convert to fraction form
    35,873.92/53,810.34 = 16,138.54/x
  3. Step 3: Cross multiply
    35,873.92x = 53,810.34 × 16,138.54
  4. Step 4: Simplify right side
    35,873.92x = 868,420,324.50
  5. Step 5: Solve for x
    x = 868,420,324.50/35,873.92
  6. Step 6: Final answer
    x = 24,207.57

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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.