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Finding the Fourth Proportional to 43,263, 59,703.12 and 23,391

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Solution

The fourth proportional to 43,263, 59,703.12 and 23,391 is: 32,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,263 : 59,703.12 = 23,391 : x
  2. Step 2: Convert to fraction form
    43,263/59,703.12 = 23,391/x
  3. Step 3: Cross multiply
    43,263x = 59,703.12 × 23,391
  4. Step 4: Simplify right side
    43,263x = 1,396,515,679.92
  5. Step 5: Solve for x
    x = 1,396,515,679.92/43,263
  6. Step 6: Final answer
    x = 32,279.68

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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.