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Finding the Fourth Proportional to 62,898.52, 86,812.34 and 36,059.08

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Solution

The fourth proportional to 62,898.52, 86,812.34 and 36,059.08 is: 49,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.52 : 86,812.34 = 36,059.08 : x
  2. Step 2: Convert to fraction form
    62,898.52/86,812.34 = 36,059.08/x
  3. Step 3: Cross multiply
    62,898.52x = 86,812.34 × 36,059.08
  4. Step 4: Simplify right side
    62,898.52x = 3,130,373,113.05
  5. Step 5: Solve for x
    x = 3,130,373,113.05/62,898.52
  6. Step 6: Final answer
    x = 49,768.63

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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.