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Finding the Fourth Proportional to 29,859.84, 44,750.52 and 12,319.92

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Solution

The fourth proportional to 29,859.84, 44,750.52 and 12,319.92 is: 18,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.84 : 44,750.52 = 12,319.92 : x
  2. Step 2: Convert to fraction form
    29,859.84/44,750.52 = 12,319.92/x
  3. Step 3: Cross multiply
    29,859.84x = 44,750.52 × 12,319.92
  4. Step 4: Simplify right side
    29,859.84x = 551,322,826.36
  5. Step 5: Solve for x
    x = 551,322,826.36/29,859.84
  6. Step 6: Final answer
    x = 18,463.69

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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.