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Finding the Fourth Proportional to 33,817.51, 46,667.91 and 18,913.51

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Solution

The fourth proportional to 33,817.51, 46,667.91 and 18,913.51 is: 26,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,817.51 : 46,667.91 = 18,913.51 : x
  2. Step 2: Convert to fraction form
    33,817.51/46,667.91 = 18,913.51/x
  3. Step 3: Cross multiply
    33,817.51x = 46,667.91 × 18,913.51
  4. Step 4: Simplify right side
    33,817.51x = 882,653,982.46
  5. Step 5: Solve for x
    x = 882,653,982.46/33,817.51
  6. Step 6: Final answer
    x = 26,100.50

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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.