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Finding the Fourth Proportional to 62,861.94, 86,748.70 and 46,801

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Solution

The fourth proportional to 62,861.94, 86,748.70 and 46,801 is: 64,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,861.94 : 86,748.70 = 46,801 : x
  2. Step 2: Convert to fraction form
    62,861.94/86,748.70 = 46,801/x
  3. Step 3: Cross multiply
    62,861.94x = 86,748.70 × 46,801
  4. Step 4: Simplify right side
    62,861.94x = 4,059,925,908.70
  5. Step 5: Solve for x
    x = 4,059,925,908.70/62,861.94
  6. Step 6: Final answer
    x = 64,584.80

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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.