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Finding the Fourth Proportional to 36,911.68, 55,364.01 and 14,719.12

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Solution

The fourth proportional to 36,911.68, 55,364.01 and 14,719.12 is: 22,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.68 : 55,364.01 = 14,719.12 : x
  2. Step 2: Convert to fraction form
    36,911.68/55,364.01 = 14,719.12/x
  3. Step 3: Cross multiply
    36,911.68x = 55,364.01 × 14,719.12
  4. Step 4: Simplify right side
    36,911.68x = 814,909,313.26
  5. Step 5: Solve for x
    x = 814,909,313.26/36,911.68
  6. Step 6: Final answer
    x = 22,077.28

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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.