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Finding the Fourth Proportional to 47,286.90, 65,255.90 and 26,066.62

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Solution

The fourth proportional to 47,286.90, 65,255.90 and 26,066.62 is: 35,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.90 : 65,255.90 = 26,066.62 : x
  2. Step 2: Convert to fraction form
    47,286.90/65,255.90 = 26,066.62/x
  3. Step 3: Cross multiply
    47,286.90x = 65,255.90 × 26,066.62
  4. Step 4: Simplify right side
    47,286.90x = 1,701,000,650.08
  5. Step 5: Solve for x
    x = 1,701,000,650.08/47,286.90
  6. Step 6: Final answer
    x = 35,971.92

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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.