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Finding the Fourth Proportional to 35,610.88, 53,378.65 and 13,414.65

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Solution

The fourth proportional to 35,610.88, 53,378.65 and 13,414.65 is: 20,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.88 : 53,378.65 = 13,414.65 : x
  2. Step 2: Convert to fraction form
    35,610.88/53,378.65 = 13,414.65/x
  3. Step 3: Cross multiply
    35,610.88x = 53,378.65 × 13,414.65
  4. Step 4: Simplify right side
    35,610.88x = 716,055,907.22
  5. Step 5: Solve for x
    x = 716,055,907.22/35,610.88
  6. Step 6: Final answer
    x = 20,107.78

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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.