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Finding the Fourth Proportional to 35,192.80, 52,832.40 and 19,410.40

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Solution

The fourth proportional to 35,192.80, 52,832.40 and 19,410.40 is: 29,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,192.80 : 52,832.40 = 19,410.40 : x
  2. Step 2: Convert to fraction form
    35,192.80/52,832.40 = 19,410.40/x
  3. Step 3: Cross multiply
    35,192.80x = 52,832.40 × 19,410.40
  4. Step 4: Simplify right side
    35,192.80x = 1,025,498,016.96
  5. Step 5: Solve for x
    x = 1,025,498,016.96/35,192.80
  6. Step 6: Final answer
    x = 29,139.43

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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.