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Finding the Fourth Proportional to 35,043.84, 48,361.86 and 20,896.38

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Solution

The fourth proportional to 35,043.84, 48,361.86 and 20,896.38 is: 28,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.84 : 48,361.86 = 20,896.38 : x
  2. Step 2: Convert to fraction form
    35,043.84/48,361.86 = 20,896.38/x
  3. Step 3: Cross multiply
    35,043.84x = 48,361.86 × 20,896.38
  4. Step 4: Simplify right side
    35,043.84x = 1,010,587,804.07
  5. Step 5: Solve for x
    x = 1,010,587,804.07/35,043.84
  6. Step 6: Final answer
    x = 28,837.82

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1.5x scale

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.