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Finding the Fourth Proportional to 62,305.67, 85,980.72 and 35,447.60

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Solution

The fourth proportional to 62,305.67, 85,980.72 and 35,447.60 is: 48,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,305.67 : 85,980.72 = 35,447.60 : x
  2. Step 2: Convert to fraction form
    62,305.67/85,980.72 = 35,447.60/x
  3. Step 3: Cross multiply
    62,305.67x = 85,980.72 × 35,447.60
  4. Step 4: Simplify right side
    62,305.67x = 3,047,810,170.27
  5. Step 5: Solve for x
    x = 3,047,810,170.27/62,305.67
  6. Step 6: Final answer
    x = 48,917.06

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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.