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Finding the Fourth Proportional to 47,676, 65,792.66 and 26,455.21

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Solution

The fourth proportional to 47,676, 65,792.66 and 26,455.21 is: 36,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676 : 65,792.66 = 26,455.21 : x
  2. Step 2: Convert to fraction form
    47,676/65,792.66 = 26,455.21/x
  3. Step 3: Cross multiply
    47,676x = 65,792.66 × 26,455.21
  4. Step 4: Simplify right side
    47,676x = 1,740,558,636.76
  5. Step 5: Solve for x
    x = 1,740,558,636.76/47,676
  6. Step 6: Final answer
    x = 36,508.07

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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.