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Finding the Fourth Proportional to 8,393,669.60, 12,590,504.40 and 5,842,752.80

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Solution

The fourth proportional to 8,393,669.60, 12,590,504.40 and 5,842,752.80 is: 8,764,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,669.60 : 12,590,504.40 = 5,842,752.80 : x
  2. Step 2: Convert to fraction form
    8,393,669.60/12,590,504.40 = 5,842,752.80/x
  3. Step 3: Cross multiply
    8,393,669.60x = 12,590,504.40 × 5,842,752.80
  4. Step 4: Simplify right side
    8,393,669.60x = 73,563,204,836,512.31
  5. Step 5: Solve for x
    x = 73,563,204,836,512.31/8,393,669.60
  6. Step 6: Final answer
    x = 8,764,129.20

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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.