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Finding the Fourth Proportional to 59,612.75, 89,495.00 and 38,640.56

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Solution

The fourth proportional to 59,612.75, 89,495.00 and 38,640.56 is: 58,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,612.75 : 89,495.00 = 38,640.56 : x
  2. Step 2: Convert to fraction form
    59,612.75/89,495.00 = 38,640.56/x
  3. Step 3: Cross multiply
    59,612.75x = 89,495.00 × 38,640.56
  4. Step 4: Simplify right side
    59,612.75x = 3,458,136,638.78
  5. Step 5: Solve for x
    x = 3,458,136,638.78/59,612.75
  6. Step 6: Final answer
    x = 58,010.01

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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.