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Finding the Fourth Proportional to 56,611.08, 84,918.51 and 25,446.42

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Solution

The fourth proportional to 56,611.08, 84,918.51 and 25,446.42 is: 38,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.08 : 84,918.51 = 25,446.42 : x
  2. Step 2: Convert to fraction form
    56,611.08/84,918.51 = 25,446.42/x
  3. Step 3: Cross multiply
    56,611.08x = 84,918.51 × 25,446.42
  4. Step 4: Simplify right side
    56,611.08x = 2,160,872,071.23
  5. Step 5: Solve for x
    x = 2,160,872,071.23/56,611.08
  6. Step 6: Final answer
    x = 38,170.48

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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.