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Finding the Fourth Proportional to 33,991.80, 46,903.47 and 18,883.07

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Solution

The fourth proportional to 33,991.80, 46,903.47 and 18,883.07 is: 26,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.80 : 46,903.47 = 18,883.07 : x
  2. Step 2: Convert to fraction form
    33,991.80/46,903.47 = 18,883.07/x
  3. Step 3: Cross multiply
    33,991.80x = 46,903.47 × 18,883.07
  4. Step 4: Simplify right side
    33,991.80x = 885,681,507.25
  5. Step 5: Solve for x
    x = 885,681,507.25/33,991.80
  6. Step 6: Final answer
    x = 26,055.74

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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.