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Finding the Fourth Proportional to 64,580.83, 96,915.93 and 25,138.15

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Solution

The fourth proportional to 64,580.83, 96,915.93 and 25,138.15 is: 37,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.83 : 96,915.93 = 25,138.15 : x
  2. Step 2: Convert to fraction form
    64,580.83/96,915.93 = 25,138.15/x
  3. Step 3: Cross multiply
    64,580.83x = 96,915.93 × 25,138.15
  4. Step 4: Simplify right side
    64,580.83x = 2,436,286,849.17
  5. Step 5: Solve for x
    x = 2,436,286,849.17/64,580.83
  6. Step 6: Final answer
    x = 37,724.61

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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.