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Finding the Fourth Proportional to 74,611.26, 111,916.90 and 25,363.26

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Solution

The fourth proportional to 74,611.26, 111,916.90 and 25,363.26 is: 38,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,611.26 : 111,916.90 = 25,363.26 : x
  2. Step 2: Convert to fraction form
    74,611.26/111,916.90 = 25,363.26/x
  3. Step 3: Cross multiply
    74,611.26x = 111,916.90 × 25,363.26
  4. Step 4: Simplify right side
    74,611.26x = 2,838,577,433.09
  5. Step 5: Solve for x
    x = 2,838,577,433.09/74,611.26
  6. Step 6: Final answer
    x = 38,044.89

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1.5x scale

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.