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Finding the Fourth Proportional to 35,307.68, 48,747.44 and 21,893.20

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Solution

The fourth proportional to 35,307.68, 48,747.44 and 21,893.20 is: 30,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.68 : 48,747.44 = 21,893.20 : x
  2. Step 2: Convert to fraction form
    35,307.68/48,747.44 = 21,893.20/x
  3. Step 3: Cross multiply
    35,307.68x = 48,747.44 × 21,893.20
  4. Step 4: Simplify right side
    35,307.68x = 1,067,237,453.41
  5. Step 5: Solve for x
    x = 1,067,237,453.41/35,307.68
  6. Step 6: Final answer
    x = 30,226.78

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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.