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Finding the Fourth Proportional to 63,157.80, 94,654.43 and 25,674.09

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Solution

The fourth proportional to 63,157.80, 94,654.43 and 25,674.09 is: 38,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.80 : 94,654.43 = 25,674.09 : x
  2. Step 2: Convert to fraction form
    63,157.80/94,654.43 = 25,674.09/x
  3. Step 3: Cross multiply
    63,157.80x = 94,654.43 × 25,674.09
  4. Step 4: Simplify right side
    63,157.80x = 2,430,166,644.52
  5. Step 5: Solve for x
    x = 2,430,166,644.52/63,157.80
  6. Step 6: Final answer
    x = 38,477.69

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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.