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Finding the Fourth Proportional to 64,997.04, 97,511.20 and 33,394.56

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Solution

The fourth proportional to 64,997.04, 97,511.20 and 33,394.56 is: 50,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.04 : 97,511.20 = 33,394.56 : x
  2. Step 2: Convert to fraction form
    64,997.04/97,511.20 = 33,394.56/x
  3. Step 3: Cross multiply
    64,997.04x = 97,511.20 × 33,394.56
  4. Step 4: Simplify right side
    64,997.04x = 3,256,343,619.07
  5. Step 5: Solve for x
    x = 3,256,343,619.07/64,997.04
  6. Step 6: Final answer
    x = 50,099.88

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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.