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Finding the Fourth Proportional to 25,317,996.90, 37,978,032.15 and 7,367,100.90

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Solution

The fourth proportional to 25,317,996.90, 37,978,032.15 and 7,367,100.90 is: 11,050,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317,996.90 : 37,978,032.15 = 7,367,100.90 : x
  2. Step 2: Convert to fraction form
    25,317,996.90/37,978,032.15 = 7,367,100.90/x
  3. Step 3: Cross multiply
    25,317,996.90x = 37,978,032.15 × 7,367,100.90
  4. Step 4: Simplify right side
    25,317,996.90x = 279,787,994,832,493.94
  5. Step 5: Solve for x
    x = 279,787,994,832,493.94/25,317,996.90
  6. Step 6: Final answer
    x = 11,050,953.04

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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.