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Finding the Fourth Proportional to 36,683.61, 50,623.61 and 21,576.92

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Solution

The fourth proportional to 36,683.61, 50,623.61 and 21,576.92 is: 29,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.61 : 50,623.61 = 21,576.92 : x
  2. Step 2: Convert to fraction form
    36,683.61/50,623.61 = 21,576.92/x
  3. Step 3: Cross multiply
    36,683.61x = 50,623.61 × 21,576.92
  4. Step 4: Simplify right side
    36,683.61x = 1,092,301,222.08
  5. Step 5: Solve for x
    x = 1,092,301,222.08/36,683.61
  6. Step 6: Final answer
    x = 29,776.27

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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.