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Finding the Fourth Proportional to 34,761.97, 47,971.58 and 18,846.46

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Solution

The fourth proportional to 34,761.97, 47,971.58 and 18,846.46 is: 26,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,761.97 : 47,971.58 = 18,846.46 : x
  2. Step 2: Convert to fraction form
    34,761.97/47,971.58 = 18,846.46/x
  3. Step 3: Cross multiply
    34,761.97x = 47,971.58 × 18,846.46
  4. Step 4: Simplify right side
    34,761.97x = 904,094,429.34
  5. Step 5: Solve for x
    x = 904,094,429.34/34,761.97
  6. Step 6: Final answer
    x = 26,008.15

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1.5x scale

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.