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Finding the Fourth Proportional to 36,873.08, 55,303.50 and 15,816.50

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Solution

The fourth proportional to 36,873.08, 55,303.50 and 15,816.50 is: 23,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873.08 : 55,303.50 = 15,816.50 : x
  2. Step 2: Convert to fraction form
    36,873.08/55,303.50 = 15,816.50/x
  3. Step 3: Cross multiply
    36,873.08x = 55,303.50 × 15,816.50
  4. Step 4: Simplify right side
    36,873.08x = 874,707,807.75
  5. Step 5: Solve for x
    x = 874,707,807.75/36,873.08
  6. Step 6: Final answer
    x = 23,722.12

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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.