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Finding the Fourth Proportional to 36,959.84, 55,437.96 and 13,584.80

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Solution

The fourth proportional to 36,959.84, 55,437.96 and 13,584.80 is: 20,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.84 : 55,437.96 = 13,584.80 : x
  2. Step 2: Convert to fraction form
    36,959.84/55,437.96 = 13,584.80/x
  3. Step 3: Cross multiply
    36,959.84x = 55,437.96 × 13,584.80
  4. Step 4: Simplify right side
    36,959.84x = 753,113,599.01
  5. Step 5: Solve for x
    x = 753,113,599.01/36,959.84
  6. Step 6: Final answer
    x = 20,376.54

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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.