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Finding the Fourth Proportional to 40,694,693.60, 61,042,040.40 and 35,214,946.40

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Solution

The fourth proportional to 40,694,693.60, 61,042,040.40 and 35,214,946.40 is: 52,822,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694,693.60 : 61,042,040.40 = 35,214,946.40 : x
  2. Step 2: Convert to fraction form
    40,694,693.60/61,042,040.40 = 35,214,946.40/x
  3. Step 3: Cross multiply
    40,694,693.60x = 61,042,040.40 × 35,214,946.40
  4. Step 4: Simplify right side
    40,694,693.60x = 2,149,592,180,832,634.50
  5. Step 5: Solve for x
    x = 2,149,592,180,832,634.50/40,694,693.60
  6. Step 6: Final answer
    x = 52,822,419.60

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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.