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Finding the Fourth Proportional to 36,878.52, 55,312.36 and 13,499.52

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Solution

The fourth proportional to 36,878.52, 55,312.36 and 13,499.52 is: 20,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.52 : 55,312.36 = 13,499.52 : x
  2. Step 2: Convert to fraction form
    36,878.52/55,312.36 = 13,499.52/x
  3. Step 3: Cross multiply
    36,878.52x = 55,312.36 × 13,499.52
  4. Step 4: Simplify right side
    36,878.52x = 746,690,310.07
  5. Step 5: Solve for x
    x = 746,690,310.07/36,878.52
  6. Step 6: Final answer
    x = 20,247.30

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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.