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Finding the Fourth Proportional to 27,129,706.60, 40,694,559.90 and 25,051,181.80

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Solution

The fourth proportional to 27,129,706.60, 40,694,559.90 and 25,051,181.80 is: 37,576,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129,706.60 : 40,694,559.90 = 25,051,181.80 : x
  2. Step 2: Convert to fraction form
    27,129,706.60/40,694,559.90 = 25,051,181.80/x
  3. Step 3: Cross multiply
    27,129,706.60x = 40,694,559.90 × 25,051,181.80
  4. Step 4: Simplify right side
    27,129,706.60x = 1,019,446,818,325,889.88
  5. Step 5: Solve for x
    x = 1,019,446,818,325,889.88/27,129,706.60
  6. Step 6: Final answer
    x = 37,576,772.70

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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.