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Finding the Fourth Proportional to 35,354.96, 48,790.06 and 19,439.54

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Solution

The fourth proportional to 35,354.96, 48,790.06 and 19,439.54 is: 26,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.96 : 48,790.06 = 19,439.54 : x
  2. Step 2: Convert to fraction form
    35,354.96/48,790.06 = 19,439.54/x
  3. Step 3: Cross multiply
    35,354.96x = 48,790.06 × 19,439.54
  4. Step 4: Simplify right side
    35,354.96x = 948,456,322.97
  5. Step 5: Solve for x
    x = 948,456,322.97/35,354.96
  6. Step 6: Final answer
    x = 26,826.68

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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.