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Finding the Fourth Proportional to 6,470,698.56, 8,929,538.80 and 3,570,269.92

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Solution

The fourth proportional to 6,470,698.56, 8,929,538.80 and 3,570,269.92 is: 4,926,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,698.56 : 8,929,538.80 = 3,570,269.92 : x
  2. Step 2: Convert to fraction form
    6,470,698.56/8,929,538.80 = 3,570,269.92/x
  3. Step 3: Cross multiply
    6,470,698.56x = 8,929,538.80 × 3,570,269.92
  4. Step 4: Simplify right side
    6,470,698.56x = 31,880,863,777,112.90
  5. Step 5: Solve for x
    x = 31,880,863,777,112.90/6,470,698.56
  6. Step 6: Final answer
    x = 4,926,958.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.