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Finding the Fourth Proportional to 46,338.54, 69,454.02 and 21,326.08

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Solution

The fourth proportional to 46,338.54, 69,454.02 and 21,326.08 is: 31,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,338.54 : 69,454.02 = 21,326.08 : x
  2. Step 2: Convert to fraction form
    46,338.54/69,454.02 = 21,326.08/x
  3. Step 3: Cross multiply
    46,338.54x = 69,454.02 × 21,326.08
  4. Step 4: Simplify right side
    46,338.54x = 1,481,181,986.84
  5. Step 5: Solve for x
    x = 1,481,181,986.84/46,338.54
  6. Step 6: Final answer
    x = 31,964.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.