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Finding the Fourth Proportional to 30,755.55, 45,964.80 and 22,453.05

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Solution

The fourth proportional to 30,755.55, 45,964.80 and 22,453.05 is: 33,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.55 : 45,964.80 = 22,453.05 : x
  2. Step 2: Convert to fraction form
    30,755.55/45,964.80 = 22,453.05/x
  3. Step 3: Cross multiply
    30,755.55x = 45,964.80 × 22,453.05
  4. Step 4: Simplify right side
    30,755.55x = 1,032,049,952.64
  5. Step 5: Solve for x
    x = 1,032,049,952.64/30,755.55
  6. Step 6: Final answer
    x = 33,556.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.