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Finding the Fourth Proportional to 47,243.64, 65,193.72 and 26,018.88

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Solution

The fourth proportional to 47,243.64, 65,193.72 and 26,018.88 is: 35,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.64 : 65,193.72 = 26,018.88 : x
  2. Step 2: Convert to fraction form
    47,243.64/65,193.72 = 26,018.88/x
  3. Step 3: Cross multiply
    47,243.64x = 65,193.72 × 26,018.88
  4. Step 4: Simplify right side
    47,243.64x = 1,696,267,577.43
  5. Step 5: Solve for x
    x = 1,696,267,577.43/47,243.64
  6. Step 6: Final answer
    x = 35,904.68

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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.