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Finding the Fourth Proportional to 57,246.44, 78,985.14 and 33,041.48

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Solution

The fourth proportional to 57,246.44, 78,985.14 and 33,041.48 is: 45,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.44 : 78,985.14 = 33,041.48 : x
  2. Step 2: Convert to fraction form
    57,246.44/78,985.14 = 33,041.48/x
  3. Step 3: Cross multiply
    57,246.44x = 78,985.14 × 33,041.48
  4. Step 4: Simplify right side
    57,246.44x = 2,609,785,923.61
  5. Step 5: Solve for x
    x = 2,609,785,923.61/57,246.44
  6. Step 6: Final answer
    x = 45,588.62

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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.