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Finding the Fourth Proportional to 36,649.48, 54,985.90 and 16,383.11

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Solution

The fourth proportional to 36,649.48, 54,985.90 and 16,383.11 is: 24,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.48 : 54,985.90 = 16,383.11 : x
  2. Step 2: Convert to fraction form
    36,649.48/54,985.90 = 16,383.11/x
  3. Step 3: Cross multiply
    36,649.48x = 54,985.90 × 16,383.11
  4. Step 4: Simplify right side
    36,649.48x = 900,840,048.15
  5. Step 5: Solve for x
    x = 900,840,048.15/36,649.48
  6. Step 6: Final answer
    x = 24,579.89

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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.