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Finding the Fourth Proportional to 83,843.54, 115,704.81 and 45,603.39

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Solution

The fourth proportional to 83,843.54, 115,704.81 and 45,603.39 is: 62,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.54 : 115,704.81 = 45,603.39 : x
  2. Step 2: Convert to fraction form
    83,843.54/115,704.81 = 45,603.39/x
  3. Step 3: Cross multiply
    83,843.54x = 115,704.81 × 45,603.39
  4. Step 4: Simplify right side
    83,843.54x = 5,276,531,347.29
  5. Step 5: Solve for x
    x = 5,276,531,347.29/83,843.54
  6. Step 6: Final answer
    x = 62,933.07

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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.