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Finding the Fourth Proportional to 35,474.80, 53,212.20 and 29,837.20

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Solution

The fourth proportional to 35,474.80, 53,212.20 and 29,837.20 is: 44,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.80 : 53,212.20 = 29,837.20 : x
  2. Step 2: Convert to fraction form
    35,474.80/53,212.20 = 29,837.20/x
  3. Step 3: Cross multiply
    35,474.80x = 53,212.20 × 29,837.20
  4. Step 4: Simplify right side
    35,474.80x = 1,587,703,053.84
  5. Step 5: Solve for x
    x = 1,587,703,053.84/35,474.80
  6. Step 6: Final answer
    x = 44,755.80

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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.