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Finding the Fourth Proportional to 6,751,978.56, 10,175,362.56 and 6,078,732.48

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Solution

The fourth proportional to 6,751,978.56, 10,175,362.56 and 6,078,732.48 is: 9,160,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751,978.56 : 10,175,362.56 = 6,078,732.48 : x
  2. Step 2: Convert to fraction form
    6,751,978.56/10,175,362.56 = 6,078,732.48/x
  3. Step 3: Cross multiply
    6,751,978.56x = 10,175,362.56 × 6,078,732.48
  4. Step 4: Simplify right side
    6,751,978.56x = 61,853,306,889,247.95
  5. Step 5: Solve for x
    x = 61,853,306,889,247.95/6,751,978.56
  6. Step 6: Final answer
    x = 9,160,767.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.