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Finding the Fourth Proportional to 62,305, 85,980.12 and 35,447.44

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Solution

The fourth proportional to 62,305, 85,980.12 and 35,447.44 is: 48,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,305 : 85,980.12 = 35,447.44 : x
  2. Step 2: Convert to fraction form
    62,305/85,980.12 = 35,447.44/x
  3. Step 3: Cross multiply
    62,305x = 85,980.12 × 35,447.44
  4. Step 4: Simplify right side
    62,305x = 3,047,775,144.89
  5. Step 5: Solve for x
    x = 3,047,775,144.89/62,305
  6. Step 6: Final answer
    x = 48,917.02

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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.