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Finding the Fourth Proportional to 43,257, 59,694.72 and 23,385

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Solution

The fourth proportional to 43,257, 59,694.72 and 23,385 is: 32,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257 : 59,694.72 = 23,385 : x
  2. Step 2: Convert to fraction form
    43,257/59,694.72 = 23,385/x
  3. Step 3: Cross multiply
    43,257x = 59,694.72 × 23,385
  4. Step 4: Simplify right side
    43,257x = 1,395,961,027.20
  5. Step 5: Solve for x
    x = 1,395,961,027.20/43,257
  6. Step 6: Final answer
    x = 32,271.33

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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.