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Finding the Fourth Proportional to 34,750.52, 47,956.05 and 19,643.21

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Solution

The fourth proportional to 34,750.52, 47,956.05 and 19,643.21 is: 27,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.52 : 47,956.05 = 19,643.21 : x
  2. Step 2: Convert to fraction form
    34,750.52/47,956.05 = 19,643.21/x
  3. Step 3: Cross multiply
    34,750.52x = 47,956.05 × 19,643.21
  4. Step 4: Simplify right side
    34,750.52x = 942,010,700.98
  5. Step 5: Solve for x
    x = 942,010,700.98/34,750.52
  6. Step 6: Final answer
    x = 27,107.82

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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.