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Finding the Fourth Proportional to 56,700.84, 84,843.65 and 53,659.26

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Solution

The fourth proportional to 56,700.84, 84,843.65 and 53,659.26 is: 80,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,700.84 : 84,843.65 = 53,659.26 : x
  2. Step 2: Convert to fraction form
    56,700.84/84,843.65 = 53,659.26/x
  3. Step 3: Cross multiply
    56,700.84x = 84,843.65 × 53,659.26
  4. Step 4: Simplify right side
    56,700.84x = 4,552,647,608.85
  5. Step 5: Solve for x
    x = 4,552,647,608.85/56,700.84
  6. Step 6: Final answer
    x = 80,292.41

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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.