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Finding the Fourth Proportional to 69,935.32, 96,546.48 and 47,393.44

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Solution

The fourth proportional to 69,935.32, 96,546.48 and 47,393.44 is: 65,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.32 : 96,546.48 = 47,393.44 : x
  2. Step 2: Convert to fraction form
    69,935.32/96,546.48 = 47,393.44/x
  3. Step 3: Cross multiply
    69,935.32x = 96,546.48 × 47,393.44
  4. Step 4: Simplify right side
    69,935.32x = 4,575,669,807.09
  5. Step 5: Solve for x
    x = 4,575,669,807.09/69,935.32
  6. Step 6: Final answer
    x = 65,427.17

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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.