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Finding the Fourth Proportional to 55,786.57, 83,662.08 and 18,337.98

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Solution

The fourth proportional to 55,786.57, 83,662.08 and 18,337.98 is: 27,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.57 : 83,662.08 = 18,337.98 : x
  2. Step 2: Convert to fraction form
    55,786.57/83,662.08 = 18,337.98/x
  3. Step 3: Cross multiply
    55,786.57x = 83,662.08 × 18,337.98
  4. Step 4: Simplify right side
    55,786.57x = 1,534,193,549.80
  5. Step 5: Solve for x
    x = 1,534,193,549.80/55,786.57
  6. Step 6: Final answer
    x = 27,501.13

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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.