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Finding the Fourth Proportional to 47,369.43, 65,369.90 and 26,148.71

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Solution

The fourth proportional to 47,369.43, 65,369.90 and 26,148.71 is: 36,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,369.43 : 65,369.90 = 26,148.71 : x
  2. Step 2: Convert to fraction form
    47,369.43/65,369.90 = 26,148.71/x
  3. Step 3: Cross multiply
    47,369.43x = 65,369.90 × 26,148.71
  4. Step 4: Simplify right side
    47,369.43x = 1,709,338,557.83
  5. Step 5: Solve for x
    x = 1,709,338,557.83/47,369.43
  6. Step 6: Final answer
    x = 36,085.27

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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.