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Finding the Fourth Proportional to 45,481, 68,214.12 and 32,293.48

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Solution

The fourth proportional to 45,481, 68,214.12 and 32,293.48 is: 48,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481 : 68,214.12 = 32,293.48 : x
  2. Step 2: Convert to fraction form
    45,481/68,214.12 = 32,293.48/x
  3. Step 3: Cross multiply
    45,481x = 68,214.12 × 32,293.48
  4. Step 4: Simplify right side
    45,481x = 2,202,871,319.94
  5. Step 5: Solve for x
    x = 2,202,871,319.94/45,481
  6. Step 6: Final answer
    x = 48,434.98

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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.