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Finding the Fourth Proportional to 55,012.62, 75,918.62 and 33,503.37

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Solution

The fourth proportional to 55,012.62, 75,918.62 and 33,503.37 is: 46,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.62 : 75,918.62 = 33,503.37 : x
  2. Step 2: Convert to fraction form
    55,012.62/75,918.62 = 33,503.37/x
  3. Step 3: Cross multiply
    55,012.62x = 75,918.62 × 33,503.37
  4. Step 4: Simplify right side
    55,012.62x = 2,543,529,984.20
  5. Step 5: Solve for x
    x = 2,543,529,984.20/55,012.62
  6. Step 6: Final answer
    x = 46,235.39

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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.