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Finding the Fourth Proportional to 25,662,460.39, 38,469,579.22 and 8,611,175.59

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Solution

The fourth proportional to 25,662,460.39, 38,469,579.22 and 8,611,175.59 is: 12,908,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662,460.39 : 38,469,579.22 = 8,611,175.59 : x
  2. Step 2: Convert to fraction form
    25,662,460.39/38,469,579.22 = 8,611,175.59/x
  3. Step 3: Cross multiply
    25,662,460.39x = 38,469,579.22 × 8,611,175.59
  4. Step 4: Simplify right side
    25,662,460.39x = 331,268,301,536,835.25
  5. Step 5: Solve for x
    x = 331,268,301,536,835.25/25,662,460.39
  6. Step 6: Final answer
    x = 12,908,672.69

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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.