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Finding the Fourth Proportional to 62,663.60, 86,474.64 and 35,439.26

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Solution

The fourth proportional to 62,663.60, 86,474.64 and 35,439.26 is: 48,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,663.60 : 86,474.64 = 35,439.26 : x
  2. Step 2: Convert to fraction form
    62,663.60/86,474.64 = 35,439.26/x
  3. Step 3: Cross multiply
    62,663.60x = 86,474.64 × 35,439.26
  4. Step 4: Simplify right side
    62,663.60x = 3,064,597,250.37
  5. Step 5: Solve for x
    x = 3,064,597,250.37/62,663.60
  6. Step 6: Final answer
    x = 48,905.54

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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.