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Finding the Fourth Proportional to 53,634.42, 80,451.54 and 16,698.42

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Solution

The fourth proportional to 53,634.42, 80,451.54 and 16,698.42 is: 25,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.42 : 80,451.54 = 16,698.42 : x
  2. Step 2: Convert to fraction form
    53,634.42/80,451.54 = 16,698.42/x
  3. Step 3: Cross multiply
    53,634.42x = 80,451.54 × 16,698.42
  4. Step 4: Simplify right side
    53,634.42x = 1,343,413,604.57
  5. Step 5: Solve for x
    x = 1,343,413,604.57/53,634.42
  6. Step 6: Final answer
    x = 25,047.60

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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.