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Finding the Fourth Proportional to 35,482.51, 53,163.52 and 21,412.97

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Solution

The fourth proportional to 35,482.51, 53,163.52 and 21,412.97 is: 32,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482.51 : 53,163.52 = 21,412.97 : x
  2. Step 2: Convert to fraction form
    35,482.51/53,163.52 = 21,412.97/x
  3. Step 3: Cross multiply
    35,482.51x = 53,163.52 × 21,412.97
  4. Step 4: Simplify right side
    35,482.51x = 1,138,388,858.85
  5. Step 5: Solve for x
    x = 1,138,388,858.85/35,482.51
  6. Step 6: Final answer
    x = 32,083.10

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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.