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Finding the Fourth Proportional to 35,959,809.60, 53,939,714.40 and 35,362,612.80

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Solution

The fourth proportional to 35,959,809.60, 53,939,714.40 and 35,362,612.80 is: 53,043,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959,809.60 : 53,939,714.40 = 35,362,612.80 : x
  2. Step 2: Convert to fraction form
    35,959,809.60/53,939,714.40 = 35,362,612.80/x
  3. Step 3: Cross multiply
    35,959,809.60x = 53,939,714.40 × 35,362,612.80
  4. Step 4: Simplify right side
    35,959,809.60x = 1,907,449,234,869,784
  5. Step 5: Solve for x
    x = 1,907,449,234,869,784/35,959,809.60
  6. Step 6: Final answer
    x = 53,043,919.20

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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.