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Finding the Fourth Proportional to 64,594.92, 89,085.48 and 41,911.56

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Solution

The fourth proportional to 64,594.92, 89,085.48 and 41,911.56 is: 57,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,594.92 : 89,085.48 = 41,911.56 : x
  2. Step 2: Convert to fraction form
    64,594.92/89,085.48 = 41,911.56/x
  3. Step 3: Cross multiply
    64,594.92x = 89,085.48 × 41,911.56
  4. Step 4: Simplify right side
    64,594.92x = 3,733,711,440.15
  5. Step 5: Solve for x
    x = 3,733,711,440.15/64,594.92
  6. Step 6: Final answer
    x = 57,801.94

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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.