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Finding the Fourth Proportional to 35,057.58, 48,355.41 and 20,899.50

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Solution

The fourth proportional to 35,057.58, 48,355.41 and 20,899.50 is: 28,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,057.58 : 48,355.41 = 20,899.50 : x
  2. Step 2: Convert to fraction form
    35,057.58/48,355.41 = 20,899.50/x
  3. Step 3: Cross multiply
    35,057.58x = 48,355.41 × 20,899.50
  4. Step 4: Simplify right side
    35,057.58x = 1,010,603,891.30
  5. Step 5: Solve for x
    x = 1,010,603,891.30/35,057.58
  6. Step 6: Final answer
    x = 28,826.97

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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.