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Finding the Fourth Proportional to 33,391.89, 45,987.89 and 25,810.29

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Solution

The fourth proportional to 33,391.89, 45,987.89 and 25,810.29 is: 35,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,391.89 : 45,987.89 = 25,810.29 : x
  2. Step 2: Convert to fraction form
    33,391.89/45,987.89 = 25,810.29/x
  3. Step 3: Cross multiply
    33,391.89x = 45,987.89 × 25,810.29
  4. Step 4: Simplify right side
    33,391.89x = 1,186,960,648.34
  5. Step 5: Solve for x
    x = 1,186,960,648.34/33,391.89
  6. Step 6: Final answer
    x = 35,546.38

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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.