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Finding the Fourth Proportional to 6,410,703.56, 8,845,960.38 and 5,107,261.46

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Solution

The fourth proportional to 6,410,703.56, 8,845,960.38 and 5,107,261.46 is: 7,047,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410,703.56 : 8,845,960.38 = 5,107,261.46 : x
  2. Step 2: Convert to fraction form
    6,410,703.56/8,845,960.38 = 5,107,261.46/x
  3. Step 3: Cross multiply
    6,410,703.56x = 8,845,960.38 × 5,107,261.46
  4. Step 4: Simplify right side
    6,410,703.56x = 45,178,632,525,460.96
  5. Step 5: Solve for x
    x = 45,178,632,525,460.96/6,410,703.56
  6. Step 6: Final answer
    x = 7,047,375.08

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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.