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Finding the Fourth Proportional to 36,800.10, 55,199.79 and 15,722.19

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Solution

The fourth proportional to 36,800.10, 55,199.79 and 15,722.19 is: 23,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.10 : 55,199.79 = 15,722.19 : x
  2. Step 2: Convert to fraction form
    36,800.10/55,199.79 = 15,722.19/x
  3. Step 3: Cross multiply
    36,800.10x = 55,199.79 × 15,722.19
  4. Step 4: Simplify right side
    36,800.10x = 867,861,586.34
  5. Step 5: Solve for x
    x = 867,861,586.34/36,800.10
  6. Step 6: Final answer
    x = 23,583.13

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1.5x scale

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.