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Finding the Fourth Proportional to 35,951.15, 53,893.92 and 12,564.83

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Solution

The fourth proportional to 35,951.15, 53,893.92 and 12,564.83 is: 18,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,951.15 : 53,893.92 = 12,564.83 : x
  2. Step 2: Convert to fraction form
    35,951.15/53,893.92 = 12,564.83/x
  3. Step 3: Cross multiply
    35,951.15x = 53,893.92 × 12,564.83
  4. Step 4: Simplify right side
    35,951.15x = 677,168,124.69
  5. Step 5: Solve for x
    x = 677,168,124.69/35,951.15
  6. Step 6: Final answer
    x = 18,835.78

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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.