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Finding the Fourth Proportional to 36,339.60, 54,500.04 and 12,962.64

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Solution

The fourth proportional to 36,339.60, 54,500.04 and 12,962.64 is: 19,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339.60 : 54,500.04 = 12,962.64 : x
  2. Step 2: Convert to fraction form
    36,339.60/54,500.04 = 12,962.64/x
  3. Step 3: Cross multiply
    36,339.60x = 54,500.04 × 12,962.64
  4. Step 4: Simplify right side
    36,339.60x = 706,464,398.51
  5. Step 5: Solve for x
    x = 706,464,398.51/36,339.60
  6. Step 6: Final answer
    x = 19,440.62

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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.