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Finding the Fourth Proportional to 35,474.19, 48,954.71 and 19,559.21

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Solution

The fourth proportional to 35,474.19, 48,954.71 and 19,559.21 is: 26,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.19 : 48,954.71 = 19,559.21 : x
  2. Step 2: Convert to fraction form
    35,474.19/48,954.71 = 19,559.21/x
  3. Step 3: Cross multiply
    35,474.19x = 48,954.71 × 19,559.21
  4. Step 4: Simplify right side
    35,474.19x = 957,515,453.38
  5. Step 5: Solve for x
    x = 957,515,453.38/35,474.19
  6. Step 6: Final answer
    x = 26,991.89

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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.