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Finding the Fourth Proportional to 44,788.34, 67,118.92 and 21,086.93

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Solution

The fourth proportional to 44,788.34, 67,118.92 and 21,086.93 is: 31,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,788.34 : 67,118.92 = 21,086.93 : x
  2. Step 2: Convert to fraction form
    44,788.34/67,118.92 = 21,086.93/x
  3. Step 3: Cross multiply
    44,788.34x = 67,118.92 × 21,086.93
  4. Step 4: Simplify right side
    44,788.34x = 1,415,331,967.72
  5. Step 5: Solve for x
    x = 1,415,331,967.72/44,788.34
  6. Step 6: Final answer
    x = 31,600.46

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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.