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Finding the Fourth Proportional to 38,893.86, 53,674.61 and 23,786.25

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Solution

The fourth proportional to 38,893.86, 53,674.61 and 23,786.25 is: 32,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.86 : 53,674.61 = 23,786.25 : x
  2. Step 2: Convert to fraction form
    38,893.86/53,674.61 = 23,786.25/x
  3. Step 3: Cross multiply
    38,893.86x = 53,674.61 × 23,786.25
  4. Step 4: Simplify right side
    38,893.86x = 1,276,717,751.58
  5. Step 5: Solve for x
    x = 1,276,717,751.58/38,893.86
  6. Step 6: Final answer
    x = 32,825.69

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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.