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Finding the Fourth Proportional to 34,872.93, 48,124.53 and 19,768.50

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Solution

The fourth proportional to 34,872.93, 48,124.53 and 19,768.50 is: 27,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.93 : 48,124.53 = 19,768.50 : x
  2. Step 2: Convert to fraction form
    34,872.93/48,124.53 = 19,768.50/x
  3. Step 3: Cross multiply
    34,872.93x = 48,124.53 × 19,768.50
  4. Step 4: Simplify right side
    34,872.93x = 951,349,771.31
  5. Step 5: Solve for x
    x = 951,349,771.31/34,872.93
  6. Step 6: Final answer
    x = 27,280.47

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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.