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Finding the Fourth Proportional to 35,361.97, 52,980.48 and 18,685.08

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Solution

The fourth proportional to 35,361.97, 52,980.48 and 18,685.08 is: 27,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361.97 : 52,980.48 = 18,685.08 : x
  2. Step 2: Convert to fraction form
    35,361.97/52,980.48 = 18,685.08/x
  3. Step 3: Cross multiply
    35,361.97x = 52,980.48 × 18,685.08
  4. Step 4: Simplify right side
    35,361.97x = 989,944,507.24
  5. Step 5: Solve for x
    x = 989,944,507.24/35,361.97
  6. Step 6: Final answer
    x = 27,994.61

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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.