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Finding the Fourth Proportional to 62,670.56, 86,489.48 and 34,376.24

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Solution

The fourth proportional to 62,670.56, 86,489.48 and 34,376.24 is: 47,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,670.56 : 86,489.48 = 34,376.24 : x
  2. Step 2: Convert to fraction form
    62,670.56/86,489.48 = 34,376.24/x
  3. Step 3: Cross multiply
    62,670.56x = 86,489.48 × 34,376.24
  4. Step 4: Simplify right side
    62,670.56x = 2,973,183,121.96
  5. Step 5: Solve for x
    x = 2,973,183,121.96/62,670.56
  6. Step 6: Final answer
    x = 47,441.46

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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.