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Finding the Fourth Proportional to 33,818.51, 46,669.29 and 18,914.51

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Solution

The fourth proportional to 33,818.51, 46,669.29 and 18,914.51 is: 26,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,818.51 : 46,669.29 = 18,914.51 : x
  2. Step 2: Convert to fraction form
    33,818.51/46,669.29 = 18,914.51/x
  3. Step 3: Cross multiply
    33,818.51x = 46,669.29 × 18,914.51
  4. Step 4: Simplify right side
    33,818.51x = 882,726,752.40
  5. Step 5: Solve for x
    x = 882,726,752.40/33,818.51
  6. Step 6: Final answer
    x = 26,101.88

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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.