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Finding the Fourth Proportional to 33,225, 45,851.25 and 18,882.57

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Solution

The fourth proportional to 33,225, 45,851.25 and 18,882.57 is: 26,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,225 : 45,851.25 = 18,882.57 : x
  2. Step 2: Convert to fraction form
    33,225/45,851.25 = 18,882.57/x
  3. Step 3: Cross multiply
    33,225x = 45,851.25 × 18,882.57
  4. Step 4: Simplify right side
    33,225x = 865,789,437.71
  5. Step 5: Solve for x
    x = 865,789,437.71/33,225
  6. Step 6: Final answer
    x = 26,058.37

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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.