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Finding the Fourth Proportional to 45,411, 62,667.45 and 25,539

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Solution

The fourth proportional to 45,411, 62,667.45 and 25,539 is: 35,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411 : 62,667.45 = 25,539 : x
  2. Step 2: Convert to fraction form
    45,411/62,667.45 = 25,539/x
  3. Step 3: Cross multiply
    45,411x = 62,667.45 × 25,539
  4. Step 4: Simplify right side
    45,411x = 1,600,464,005.55
  5. Step 5: Solve for x
    x = 1,600,464,005.55/45,411
  6. Step 6: Final answer
    x = 35,243.97

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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.