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Finding the Fourth Proportional to 89,092.60, 133,658 and 25,913.80

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Solution

The fourth proportional to 89,092.60, 133,658 and 25,913.80 is: 38,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,092.60 : 133,658 = 25,913.80 : x
  2. Step 2: Convert to fraction form
    89,092.60/133,658 = 25,913.80/x
  3. Step 3: Cross multiply
    89,092.60x = 133,658 × 25,913.80
  4. Step 4: Simplify right side
    89,092.60x = 3,463,586,680.40
  5. Step 5: Solve for x
    x = 3,463,586,680.40/89,092.60
  6. Step 6: Final answer
    x = 38,876.26

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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.