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Finding the Fourth Proportional to 47,690.72, 65,813.19 and 26,469.98

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Solution

The fourth proportional to 47,690.72, 65,813.19 and 26,469.98 is: 36,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,690.72 : 65,813.19 = 26,469.98 : x
  2. Step 2: Convert to fraction form
    47,690.72/65,813.19 = 26,469.98/x
  3. Step 3: Cross multiply
    47,690.72x = 65,813.19 × 26,469.98
  4. Step 4: Simplify right side
    47,690.72x = 1,742,073,823.04
  5. Step 5: Solve for x
    x = 1,742,073,823.04/47,690.72
  6. Step 6: Final answer
    x = 36,528.57

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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.