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Finding the Fourth Proportional to 36,804,974.40, 55,207,461.60 and 12,571,264.80

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Solution

The fourth proportional to 36,804,974.40, 55,207,461.60 and 12,571,264.80 is: 18,856,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,804,974.40 : 55,207,461.60 = 12,571,264.80 : x
  2. Step 2: Convert to fraction form
    36,804,974.40/55,207,461.60 = 12,571,264.80/x
  3. Step 3: Cross multiply
    36,804,974.40x = 55,207,461.60 × 12,571,264.80
  4. Step 4: Simplify right side
    36,804,974.40x = 694,027,618,709,431.75
  5. Step 5: Solve for x
    x = 694,027,618,709,431.75/36,804,974.40
  6. Step 6: Final answer
    x = 18,856,897.20

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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.