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Finding the Fourth Proportional to 30,904,893.60, 46,357,340.40 and 19,483,504.80

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Solution

The fourth proportional to 30,904,893.60, 46,357,340.40 and 19,483,504.80 is: 29,225,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904,893.60 : 46,357,340.40 = 19,483,504.80 : x
  2. Step 2: Convert to fraction form
    30,904,893.60/46,357,340.40 = 19,483,504.80/x
  3. Step 3: Cross multiply
    30,904,893.60x = 46,357,340.40 × 19,483,504.80
  4. Step 4: Simplify right side
    30,904,893.60x = 903,203,464,198,633.88
  5. Step 5: Solve for x
    x = 903,203,464,198,633.88/30,904,893.60
  6. Step 6: Final answer
    x = 29,225,257.20

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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.