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Finding the Fourth Proportional to 57,762.48, 86,621.85 and 22,683

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Solution

The fourth proportional to 57,762.48, 86,621.85 and 22,683 is: 34,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.48 : 86,621.85 = 22,683 : x
  2. Step 2: Convert to fraction form
    57,762.48/86,621.85 = 22,683/x
  3. Step 3: Cross multiply
    57,762.48x = 86,621.85 × 22,683
  4. Step 4: Simplify right side
    57,762.48x = 1,964,843,423.55
  5. Step 5: Solve for x
    x = 1,964,843,423.55/57,762.48
  6. Step 6: Final answer
    x = 34,015.91

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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.