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Finding the Fourth Proportional to 6,470,699.56, 8,929,540.18 and 3,570,270.92

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Solution

The fourth proportional to 6,470,699.56, 8,929,540.18 and 3,570,270.92 is: 4,926,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,699.56 : 8,929,540.18 = 3,570,270.92 : x
  2. Step 2: Convert to fraction form
    6,470,699.56/8,929,540.18 = 3,570,270.92/x
  3. Step 3: Cross multiply
    6,470,699.56x = 8,929,540.18 × 3,570,270.92
  4. Step 4: Simplify right side
    6,470,699.56x = 31,880,877,633,625.56
  5. Step 5: Solve for x
    x = 31,880,877,633,625.56/6,470,699.56
  6. Step 6: Final answer
    x = 4,926,959.96

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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.