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Finding the Fourth Proportional to 34,477,404.80, 51,716,107.20 and 11,759,043.20

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Solution

The fourth proportional to 34,477,404.80, 51,716,107.20 and 11,759,043.20 is: 17,638,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477,404.80 : 51,716,107.20 = 11,759,043.20 : x
  2. Step 2: Convert to fraction form
    34,477,404.80/51,716,107.20 = 11,759,043.20/x
  3. Step 3: Cross multiply
    34,477,404.80x = 51,716,107.20 × 11,759,043.20
  4. Step 4: Simplify right side
    34,477,404.80x = 608,131,938,700,631
  5. Step 5: Solve for x
    x = 608,131,938,700,631/34,477,404.80
  6. Step 6: Final answer
    x = 17,638,564.80

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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.