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Finding the Fourth Proportional to 33,187.98, 45,798.51 and 18,283.98

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Solution

The fourth proportional to 33,187.98, 45,798.51 and 18,283.98 is: 25,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.98 : 45,798.51 = 18,283.98 : x
  2. Step 2: Convert to fraction form
    33,187.98/45,798.51 = 18,283.98/x
  3. Step 3: Cross multiply
    33,187.98x = 45,798.51 × 18,283.98
  4. Step 4: Simplify right side
    33,187.98x = 837,379,040.87
  5. Step 5: Solve for x
    x = 837,379,040.87/33,187.98
  6. Step 6: Final answer
    x = 25,231.40

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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.