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Finding the Fourth Proportional to 33,816.51, 46,666.53 and 18,912.51

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Solution

The fourth proportional to 33,816.51, 46,666.53 and 18,912.51 is: 26,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,816.51 : 46,666.53 = 18,912.51 : x
  2. Step 2: Convert to fraction form
    33,816.51/46,666.53 = 18,912.51/x
  3. Step 3: Cross multiply
    33,816.51x = 46,666.53 × 18,912.51
  4. Step 4: Simplify right side
    33,816.51x = 882,581,215.29
  5. Step 5: Solve for x
    x = 882,581,215.29/33,816.51
  6. Step 6: Final answer
    x = 26,099.12

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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.