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Finding the Fourth Proportional to 63,981.60, 96,015.60 and 35,901.60

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Solution

The fourth proportional to 63,981.60, 96,015.60 and 35,901.60 is: 53,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,981.60 : 96,015.60 = 35,901.60 : x
  2. Step 2: Convert to fraction form
    63,981.60/96,015.60 = 35,901.60/x
  3. Step 3: Cross multiply
    63,981.60x = 96,015.60 × 35,901.60
  4. Step 4: Simplify right side
    63,981.60x = 3,447,113,664.96
  5. Step 5: Solve for x
    x = 3,447,113,664.96/63,981.60
  6. Step 6: Final answer
    x = 53,876.64

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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.