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Finding the Fourth Proportional to 34,754.60, 47,960.07 and 18,838.71

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Solution

The fourth proportional to 34,754.60, 47,960.07 and 18,838.71 is: 25,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,754.60 : 47,960.07 = 18,838.71 : x
  2. Step 2: Convert to fraction form
    34,754.60/47,960.07 = 18,838.71/x
  3. Step 3: Cross multiply
    34,754.60x = 47,960.07 × 18,838.71
  4. Step 4: Simplify right side
    34,754.60x = 903,505,779.66
  5. Step 5: Solve for x
    x = 903,505,779.66/34,754.60
  6. Step 6: Final answer
    x = 25,996.72

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1.5x scale

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.