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Finding the Fourth Proportional to 38,859.76, 58,205.40 and 24,072.40

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Solution

The fourth proportional to 38,859.76, 58,205.40 and 24,072.40 is: 36,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.76 : 58,205.40 = 24,072.40 : x
  2. Step 2: Convert to fraction form
    38,859.76/58,205.40 = 24,072.40/x
  3. Step 3: Cross multiply
    38,859.76x = 58,205.40 × 24,072.40
  4. Step 4: Simplify right side
    38,859.76x = 1,401,143,670.96
  5. Step 5: Solve for x
    x = 1,401,143,670.96/38,859.76
  6. Step 6: Final answer
    x = 36,056.42

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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.