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Finding the Fourth Proportional to 36,778.80, 55,119.78 and 14,580.08

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Solution

The fourth proportional to 36,778.80, 55,119.78 and 14,580.08 is: 21,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.80 : 55,119.78 = 14,580.08 : x
  2. Step 2: Convert to fraction form
    36,778.80/55,119.78 = 14,580.08/x
  3. Step 3: Cross multiply
    36,778.80x = 55,119.78 × 14,580.08
  4. Step 4: Simplify right side
    36,778.80x = 803,650,801.98
  5. Step 5: Solve for x
    x = 803,650,801.98/36,778.80
  6. Step 6: Final answer
    x = 21,850.93

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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.