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Finding the Fourth Proportional to 62,983.52, 86,913.92 and 34,683.84

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Solution

The fourth proportional to 62,983.52, 86,913.92 and 34,683.84 is: 47,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,983.52 : 86,913.92 = 34,683.84 : x
  2. Step 2: Convert to fraction form
    62,983.52/86,913.92 = 34,683.84/x
  3. Step 3: Cross multiply
    62,983.52x = 86,913.92 × 34,683.84
  4. Step 4: Simplify right side
    62,983.52x = 3,014,508,495.05
  5. Step 5: Solve for x
    x = 3,014,508,495.05/62,983.52
  6. Step 6: Final answer
    x = 47,861.86

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1.5x scale

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.