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Finding the Fourth Proportional to 35,318.80, 48,742.50 and 23,361.40

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Solution

The fourth proportional to 35,318.80, 48,742.50 and 23,361.40 is: 32,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.80 : 48,742.50 = 23,361.40 : x
  2. Step 2: Convert to fraction form
    35,318.80/48,742.50 = 23,361.40/x
  3. Step 3: Cross multiply
    35,318.80x = 48,742.50 × 23,361.40
  4. Step 4: Simplify right side
    35,318.80x = 1,138,693,039.50
  5. Step 5: Solve for x
    x = 1,138,693,039.50/35,318.80
  6. Step 6: Final answer
    x = 32,240.42

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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.