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Finding the Fourth Proportional to 57,898.50, 86,695.50 and 46,593.74

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Solution

The fourth proportional to 57,898.50, 86,695.50 and 46,593.74 is: 69,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.50 : 86,695.50 = 46,593.74 : x
  2. Step 2: Convert to fraction form
    57,898.50/86,695.50 = 46,593.74/x
  3. Step 3: Cross multiply
    57,898.50x = 86,695.50 × 46,593.74
  4. Step 4: Simplify right side
    57,898.50x = 4,039,467,586.17
  5. Step 5: Solve for x
    x = 4,039,467,586.17/57,898.50
  6. Step 6: Final answer
    x = 69,768.09

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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.