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Finding the Fourth Proportional to 35,672.38, 53,479.38 and 13,473.16

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Solution

The fourth proportional to 35,672.38, 53,479.38 and 13,473.16 is: 20,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.38 : 53,479.38 = 13,473.16 : x
  2. Step 2: Convert to fraction form
    35,672.38/53,479.38 = 13,473.16/x
  3. Step 3: Cross multiply
    35,672.38x = 53,479.38 × 13,473.16
  4. Step 4: Simplify right side
    35,672.38x = 720,536,243.44
  5. Step 5: Solve for x
    x = 720,536,243.44/35,672.38
  6. Step 6: Final answer
    x = 20,198.72

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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.