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Finding the Fourth Proportional to 6,672,619.32, 9,208,205.84 and 3,616,832.76

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Solution

The fourth proportional to 6,672,619.32, 9,208,205.84 and 3,616,832.76 is: 4,991,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672,619.32 : 9,208,205.84 = 3,616,832.76 : x
  2. Step 2: Convert to fraction form
    6,672,619.32/9,208,205.84 = 3,616,832.76/x
  3. Step 3: Cross multiply
    6,672,619.32x = 9,208,205.84 × 3,616,832.76
  4. Step 4: Simplify right side
    6,672,619.32x = 33,304,540,542,935.32
  5. Step 5: Solve for x
    x = 33,304,540,542,935.32/6,672,619.32
  6. Step 6: Final answer
    x = 4,991,224.43

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1.5x scale

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.