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Finding the Fourth Proportional to 35,846.79, 49,467.93 and 19,930.89

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Solution

The fourth proportional to 35,846.79, 49,467.93 and 19,930.89 is: 27,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,846.79 : 49,467.93 = 19,930.89 : x
  2. Step 2: Convert to fraction form
    35,846.79/49,467.93 = 19,930.89/x
  3. Step 3: Cross multiply
    35,846.79x = 49,467.93 × 19,930.89
  4. Step 4: Simplify right side
    35,846.79x = 985,939,871.36
  5. Step 5: Solve for x
    x = 985,939,871.36/35,846.79
  6. Step 6: Final answer
    x = 27,504.27

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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.