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Finding the Fourth Proportional to 36,216, 54,328.86 and 15,444.36

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Solution

The fourth proportional to 36,216, 54,328.86 and 15,444.36 is: 23,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216 : 54,328.86 = 15,444.36 : x
  2. Step 2: Convert to fraction form
    36,216/54,328.86 = 15,444.36/x
  3. Step 3: Cross multiply
    36,216x = 54,328.86 × 15,444.36
  4. Step 4: Simplify right side
    36,216x = 839,074,472.23
  5. Step 5: Solve for x
    x = 839,074,472.23/36,216
  6. Step 6: Final answer
    x = 23,168.61

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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.