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Finding the Fourth Proportional to 62,345.80, 86,015.86 and 35,481.58

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Solution

The fourth proportional to 62,345.80, 86,015.86 and 35,481.58 is: 48,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,345.80 : 86,015.86 = 35,481.58 : x
  2. Step 2: Convert to fraction form
    62,345.80/86,015.86 = 35,481.58/x
  3. Step 3: Cross multiply
    62,345.80x = 86,015.86 × 35,481.58
  4. Step 4: Simplify right side
    62,345.80x = 3,051,978,617.86
  5. Step 5: Solve for x
    x = 3,051,978,617.86/62,345.80
  6. Step 6: Final answer
    x = 48,952.43

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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.