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Finding the Fourth Proportional to 53,197.53, 79,807.97 and 15,760.54

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Solution

The fourth proportional to 53,197.53, 79,807.97 and 15,760.54 is: 23,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.53 : 79,807.97 = 15,760.54 : x
  2. Step 2: Convert to fraction form
    53,197.53/79,807.97 = 15,760.54/x
  3. Step 3: Cross multiply
    53,197.53x = 79,807.97 × 15,760.54
  4. Step 4: Simplify right side
    53,197.53x = 1,257,816,703.50
  5. Step 5: Solve for x
    x = 1,257,816,703.50/53,197.53
  6. Step 6: Final answer
    x = 23,644.27

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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.