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Finding the Fourth Proportional to 6,326,751.44, 8,730,921.62 and 3,426,145.44

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Solution

The fourth proportional to 6,326,751.44, 8,730,921.62 and 3,426,145.44 is: 4,728,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326,751.44 : 8,730,921.62 = 3,426,145.44 : x
  2. Step 2: Convert to fraction form
    6,326,751.44/8,730,921.62 = 3,426,145.44/x
  3. Step 3: Cross multiply
    6,326,751.44x = 8,730,921.62 × 3,426,145.44
  4. Step 4: Simplify right side
    6,326,751.44x = 29,913,407,295,360.41
  5. Step 5: Solve for x
    x = 29,913,407,295,360.41/6,326,751.44
  6. Step 6: Final answer
    x = 4,728,083.22

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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.