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Finding the Fourth Proportional to 35,285.40, 48,694.02 and 19,370.04

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Solution

The fourth proportional to 35,285.40, 48,694.02 and 19,370.04 is: 26,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.40 : 48,694.02 = 19,370.04 : x
  2. Step 2: Convert to fraction form
    35,285.40/48,694.02 = 19,370.04/x
  3. Step 3: Cross multiply
    35,285.40x = 48,694.02 × 19,370.04
  4. Step 4: Simplify right side
    35,285.40x = 943,205,115.16
  5. Step 5: Solve for x
    x = 943,205,115.16/35,285.40
  6. Step 6: Final answer
    x = 26,730.75

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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.