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Finding the Fourth Proportional to 64,310.46, 88,746.36 and 35,628.94

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Solution

The fourth proportional to 64,310.46, 88,746.36 and 35,628.94 is: 49,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.46 : 88,746.36 = 35,628.94 : x
  2. Step 2: Convert to fraction form
    64,310.46/88,746.36 = 35,628.94/x
  3. Step 3: Cross multiply
    64,310.46x = 88,746.36 × 35,628.94
  4. Step 4: Simplify right side
    64,310.46x = 3,161,938,735.66
  5. Step 5: Solve for x
    x = 3,161,938,735.66/64,310.46
  6. Step 6: Final answer
    x = 49,166.79

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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.