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Finding the Fourth Proportional to 45,413, 62,670.21 and 25,541

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Solution

The fourth proportional to 45,413, 62,670.21 and 25,541 is: 35,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413 : 62,670.21 = 25,541 : x
  2. Step 2: Convert to fraction form
    45,413/62,670.21 = 25,541/x
  3. Step 3: Cross multiply
    45,413x = 62,670.21 × 25,541
  4. Step 4: Simplify right side
    45,413x = 1,600,659,833.61
  5. Step 5: Solve for x
    x = 1,600,659,833.61/45,413
  6. Step 6: Final answer
    x = 35,246.73

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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.