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Finding the Fourth Proportional to 62,168.96, 85,783.44 and 34,939.64

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Solution

The fourth proportional to 62,168.96, 85,783.44 and 34,939.64 is: 48,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,168.96 : 85,783.44 = 34,939.64 : x
  2. Step 2: Convert to fraction form
    62,168.96/85,783.44 = 34,939.64/x
  3. Step 3: Cross multiply
    62,168.96x = 85,783.44 × 34,939.64
  4. Step 4: Simplify right side
    62,168.96x = 2,997,242,511.56
  5. Step 5: Solve for x
    x = 2,997,242,511.56/62,168.96
  6. Step 6: Final answer
    x = 48,211.24

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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.