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Finding the Fourth Proportional to 62,805.96, 86,601.56 and 48,433.32

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Solution

The fourth proportional to 62,805.96, 86,601.56 and 48,433.32 is: 66,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.96 : 86,601.56 = 48,433.32 : x
  2. Step 2: Convert to fraction form
    62,805.96/86,601.56 = 48,433.32/x
  3. Step 3: Cross multiply
    62,805.96x = 86,601.56 × 48,433.32
  4. Step 4: Simplify right side
    62,805.96x = 4,194,400,825.81
  5. Step 5: Solve for x
    x = 4,194,400,825.81/62,805.96
  6. Step 6: Final answer
    x = 66,783.48

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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.