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Finding the Fourth Proportional to 27,994,666.80, 41,985,698.40 and 10,043,770.80

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Solution

The fourth proportional to 27,994,666.80, 41,985,698.40 and 10,043,770.80 is: 15,063,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994,666.80 : 41,985,698.40 = 10,043,770.80 : x
  2. Step 2: Convert to fraction form
    27,994,666.80/41,985,698.40 = 10,043,770.80/x
  3. Step 3: Cross multiply
    27,994,666.80x = 41,985,698.40 × 10,043,770.80
  4. Step 4: Simplify right side
    27,994,666.80x = 421,694,731,607,526.75
  5. Step 5: Solve for x
    x = 421,694,731,607,526.75/27,994,666.80
  6. Step 6: Final answer
    x = 15,063,395.28

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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.