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Finding the Fourth Proportional to 62,142.80, 85,757.48 and 33,848.24

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Solution

The fourth proportional to 62,142.80, 85,757.48 and 33,848.24 is: 46,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,142.80 : 85,757.48 = 33,848.24 : x
  2. Step 2: Convert to fraction form
    62,142.80/85,757.48 = 33,848.24/x
  3. Step 3: Cross multiply
    62,142.80x = 85,757.48 × 33,848.24
  4. Step 4: Simplify right side
    62,142.80x = 2,902,739,764.84
  5. Step 5: Solve for x
    x = 2,902,739,764.84/62,142.80
  6. Step 6: Final answer
    x = 46,710.80

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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.