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Finding the Fourth Proportional to 33,292.48, 45,943.68 and 19,144.48

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Solution

The fourth proportional to 33,292.48, 45,943.68 and 19,144.48 is: 26,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,292.48 : 45,943.68 = 19,144.48 : x
  2. Step 2: Convert to fraction form
    33,292.48/45,943.68 = 19,144.48/x
  3. Step 3: Cross multiply
    33,292.48x = 45,943.68 × 19,144.48
  4. Step 4: Simplify right side
    33,292.48x = 879,567,862.89
  5. Step 5: Solve for x
    x = 879,567,862.89/33,292.48
  6. Step 6: Final answer
    x = 26,419.42

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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.