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Finding the Fourth Proportional to 62,212.80, 85,853.44 and 33,918.48

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Solution

The fourth proportional to 62,212.80, 85,853.44 and 33,918.48 is: 46,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,212.80 : 85,853.44 = 33,918.48 : x
  2. Step 2: Convert to fraction form
    62,212.80/85,853.44 = 33,918.48/x
  3. Step 3: Cross multiply
    62,212.80x = 85,853.44 × 33,918.48
  4. Step 4: Simplify right side
    62,212.80x = 2,912,018,187.57
  5. Step 5: Solve for x
    x = 2,912,018,187.57/62,212.80
  6. Step 6: Final answer
    x = 46,807.38

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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.