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Finding the Fourth Proportional to 34,659.69, 47,828.14 and 19,754.73

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Solution

The fourth proportional to 34,659.69, 47,828.14 and 19,754.73 is: 27,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.69 : 47,828.14 = 19,754.73 : x
  2. Step 2: Convert to fraction form
    34,659.69/47,828.14 = 19,754.73/x
  3. Step 3: Cross multiply
    34,659.69x = 47,828.14 × 19,754.73
  4. Step 4: Simplify right side
    34,659.69x = 944,831,992.10
  5. Step 5: Solve for x
    x = 944,831,992.10/34,659.69
  6. Step 6: Final answer
    x = 27,260.26

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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.