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Finding the Fourth Proportional to 6,798,628.80, 10,187,056.80 and 3,599,582.40

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Solution

The fourth proportional to 6,798,628.80, 10,187,056.80 and 3,599,582.40 is: 5,393,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798,628.80 : 10,187,056.80 = 3,599,582.40 : x
  2. Step 2: Convert to fraction form
    6,798,628.80/10,187,056.80 = 3,599,582.40/x
  3. Step 3: Cross multiply
    6,798,628.80x = 10,187,056.80 × 3,599,582.40
  4. Step 4: Simplify right side
    6,798,628.80x = 36,669,150,365,080.32
  5. Step 5: Solve for x
    x = 36,669,150,365,080.32/6,798,628.80
  6. Step 6: Final answer
    x = 5,393,609.72

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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.