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Finding the Fourth Proportional to 51,996.60, 78,009.30 and 34,500.60

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Solution

The fourth proportional to 51,996.60, 78,009.30 and 34,500.60 is: 51,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.60 : 78,009.30 = 34,500.60 : x
  2. Step 2: Convert to fraction form
    51,996.60/78,009.30 = 34,500.60/x
  3. Step 3: Cross multiply
    51,996.60x = 78,009.30 × 34,500.60
  4. Step 4: Simplify right side
    51,996.60x = 2,691,367,655.58
  5. Step 5: Solve for x
    x = 2,691,367,655.58/51,996.60
  6. Step 6: Final answer
    x = 51,760.45

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1.5x scale

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.