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Finding the Fourth Proportional to 35,757.65, 53,603.57 and 12,367.69

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Solution

The fourth proportional to 35,757.65, 53,603.57 and 12,367.69 is: 18,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.65 : 53,603.57 = 12,367.69 : x
  2. Step 2: Convert to fraction form
    35,757.65/53,603.57 = 12,367.69/x
  3. Step 3: Cross multiply
    35,757.65x = 53,603.57 × 12,367.69
  4. Step 4: Simplify right side
    35,757.65x = 662,952,233.56
  5. Step 5: Solve for x
    x = 662,952,233.56/35,757.65
  6. Step 6: Final answer
    x = 18,540.15

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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.