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Finding the Fourth Proportional to 63,953.60, 96,016.80 and 40,625.60

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Solution

The fourth proportional to 63,953.60, 96,016.80 and 40,625.60 is: 60,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953.60 : 96,016.80 = 40,625.60 : x
  2. Step 2: Convert to fraction form
    63,953.60/96,016.80 = 40,625.60/x
  3. Step 3: Cross multiply
    63,953.60x = 96,016.80 × 40,625.60
  4. Step 4: Simplify right side
    63,953.60x = 3,900,740,110.08
  5. Step 5: Solve for x
    x = 3,900,740,110.08/63,953.60
  6. Step 6: Final answer
    x = 60,993.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.