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Finding the Fourth Proportional to 47,310.88, 65,289.40 and 26,090.88

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Solution

The fourth proportional to 47,310.88, 65,289.40 and 26,090.88 is: 36,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.88 : 65,289.40 = 26,090.88 : x
  2. Step 2: Convert to fraction form
    47,310.88/65,289.40 = 26,090.88/x
  3. Step 3: Cross multiply
    47,310.88x = 65,289.40 × 26,090.88
  4. Step 4: Simplify right side
    47,310.88x = 1,703,457,900.67
  5. Step 5: Solve for x
    x = 1,703,457,900.67/47,310.88
  6. Step 6: Final answer
    x = 36,005.63

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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.