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Finding the Fourth Proportional to 62,178.48, 85,768.92 and 37,968.39

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Solution

The fourth proportional to 62,178.48, 85,768.92 and 37,968.39 is: 52,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,178.48 : 85,768.92 = 37,968.39 : x
  2. Step 2: Convert to fraction form
    62,178.48/85,768.92 = 37,968.39/x
  3. Step 3: Cross multiply
    62,178.48x = 85,768.92 × 37,968.39
  4. Step 4: Simplify right side
    62,178.48x = 3,256,507,804.44
  5. Step 5: Solve for x
    x = 3,256,507,804.44/62,178.48
  6. Step 6: Final answer
    x = 52,373.55

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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.