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Finding the Fourth Proportional to 34,262.60, 51,446.70 and 18,710.60

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Solution

The fourth proportional to 34,262.60, 51,446.70 and 18,710.60 is: 28,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,262.60 : 51,446.70 = 18,710.60 : x
  2. Step 2: Convert to fraction form
    34,262.60/51,446.70 = 18,710.60/x
  3. Step 3: Cross multiply
    34,262.60x = 51,446.70 × 18,710.60
  4. Step 4: Simplify right side
    34,262.60x = 962,598,625.02
  5. Step 5: Solve for x
    x = 962,598,625.02/34,262.60
  6. Step 6: Final answer
    x = 28,094.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.