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Finding the Fourth Proportional to 33,158.94, 45,756.63 and 18,254.94

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Solution

The fourth proportional to 33,158.94, 45,756.63 and 18,254.94 is: 25,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.94 : 45,756.63 = 18,254.94 : x
  2. Step 2: Convert to fraction form
    33,158.94/45,756.63 = 18,254.94/x
  3. Step 3: Cross multiply
    33,158.94x = 45,756.63 × 18,254.94
  4. Step 4: Simplify right side
    33,158.94x = 835,284,535.25
  5. Step 5: Solve for x
    x = 835,284,535.25/33,158.94
  6. Step 6: Final answer
    x = 25,190.33

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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.