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Finding the Fourth Proportional to 43,391, 59,879.58 and 23,519

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Solution

The fourth proportional to 43,391, 59,879.58 and 23,519 is: 32,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391 : 59,879.58 = 23,519 : x
  2. Step 2: Convert to fraction form
    43,391/59,879.58 = 23,519/x
  3. Step 3: Cross multiply
    43,391x = 59,879.58 × 23,519
  4. Step 4: Simplify right side
    43,391x = 1,408,307,842.02
  5. Step 5: Solve for x
    x = 1,408,307,842.02/43,391
  6. Step 6: Final answer
    x = 32,456.22

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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.