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Finding the Fourth Proportional to 33,855, 46,709.10 and 21,927.48

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Solution

The fourth proportional to 33,855, 46,709.10 and 21,927.48 is: 30,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,855 : 46,709.10 = 21,927.48 : x
  2. Step 2: Convert to fraction form
    33,855/46,709.10 = 21,927.48/x
  3. Step 3: Cross multiply
    33,855x = 46,709.10 × 21,927.48
  4. Step 4: Simplify right side
    33,855x = 1,024,212,856.07
  5. Step 5: Solve for x
    x = 1,024,212,856.07/33,855
  6. Step 6: Final answer
    x = 30,252.93

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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.