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Finding the Fourth Proportional to 33,193.71, 45,807.32 and 18,289.71

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Solution

The fourth proportional to 33,193.71, 45,807.32 and 18,289.71 is: 25,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,193.71 : 45,807.32 = 18,289.71 : x
  2. Step 2: Convert to fraction form
    33,193.71/45,807.32 = 18,289.71/x
  3. Step 3: Cross multiply
    33,193.71x = 45,807.32 × 18,289.71
  4. Step 4: Simplify right side
    33,193.71x = 837,802,507.23
  5. Step 5: Solve for x
    x = 837,802,507.23/33,193.71
  6. Step 6: Final answer
    x = 25,239.80

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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.