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Finding the Fourth Proportional to 32,995.41, 45,533.10 and 18,655

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Solution

The fourth proportional to 32,995.41, 45,533.10 and 18,655 is: 25,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,995.41 : 45,533.10 = 18,655 : x
  2. Step 2: Convert to fraction form
    32,995.41/45,533.10 = 18,655/x
  3. Step 3: Cross multiply
    32,995.41x = 45,533.10 × 18,655
  4. Step 4: Simplify right side
    32,995.41x = 849,419,980.50
  5. Step 5: Solve for x
    x = 849,419,980.50/32,995.41
  6. Step 6: Final answer
    x = 25,743.58

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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.