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Finding the Fourth Proportional to 64,893.60, 97,286.40 and 27,482.40

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Solution

The fourth proportional to 64,893.60, 97,286.40 and 27,482.40 is: 41,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.60 : 97,286.40 = 27,482.40 : x
  2. Step 2: Convert to fraction form
    64,893.60/97,286.40 = 27,482.40/x
  3. Step 3: Cross multiply
    64,893.60x = 97,286.40 × 27,482.40
  4. Step 4: Simplify right side
    64,893.60x = 2,673,663,759.36
  5. Step 5: Solve for x
    x = 2,673,663,759.36/64,893.60
  6. Step 6: Final answer
    x = 41,200.73

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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.