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Finding the Fourth Proportional to 27,603,611.80, 41,405,417.70 and 27,603,611.80

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Solution

The fourth proportional to 27,603,611.80, 41,405,417.70 and 27,603,611.80 is: 41,405,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603,611.80 : 41,405,417.70 = 27,603,611.80 : x
  2. Step 2: Convert to fraction form
    27,603,611.80/41,405,417.70 = 27,603,611.80/x
  3. Step 3: Cross multiply
    27,603,611.80x = 41,405,417.70 × 27,603,611.80
  4. Step 4: Simplify right side
    27,603,611.80x = 1,142,939,076,607,649
  5. Step 5: Solve for x
    x = 1,142,939,076,607,649/27,603,611.80
  6. Step 6: Final answer
    x = 41,405,417.70

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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.