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Finding the Fourth Proportional to 57,855.56, 79,808.54 and 33,653.80

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Solution

The fourth proportional to 57,855.56, 79,808.54 and 33,653.80 is: 46,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855.56 : 79,808.54 = 33,653.80 : x
  2. Step 2: Convert to fraction form
    57,855.56/79,808.54 = 33,653.80/x
  3. Step 3: Cross multiply
    57,855.56x = 79,808.54 × 33,653.80
  4. Step 4: Simplify right side
    57,855.56x = 2,685,860,528.07
  5. Step 5: Solve for x
    x = 2,685,860,528.07/57,855.56
  6. Step 6: Final answer
    x = 46,423.55

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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.