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Finding the Fourth Proportional to 35,622.80, 53,437.44 and 12,249.44

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Solution

The fourth proportional to 35,622.80, 53,437.44 and 12,249.44 is: 18,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.80 : 53,437.44 = 12,249.44 : x
  2. Step 2: Convert to fraction form
    35,622.80/53,437.44 = 12,249.44/x
  3. Step 3: Cross multiply
    35,622.80x = 53,437.44 × 12,249.44
  4. Step 4: Simplify right side
    35,622.80x = 654,578,715.03
  5. Step 5: Solve for x
    x = 654,578,715.03/35,622.80
  6. Step 6: Final answer
    x = 18,375.27

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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.