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Finding the Fourth Proportional to 43,625.63, 65,434.80 and 17,323.31

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Solution

The fourth proportional to 43,625.63, 65,434.80 and 17,323.31 is: 25,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.63 : 65,434.80 = 17,323.31 : x
  2. Step 2: Convert to fraction form
    43,625.63/65,434.80 = 17,323.31/x
  3. Step 3: Cross multiply
    43,625.63x = 65,434.80 × 17,323.31
  4. Step 4: Simplify right side
    43,625.63x = 1,133,547,488.78
  5. Step 5: Solve for x
    x = 1,133,547,488.78/43,625.63
  6. Step 6: Final answer
    x = 25,983.52

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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.