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Finding the Fourth Proportional to 35,687.80, 53,530.02 and 16,954.12

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Solution

The fourth proportional to 35,687.80, 53,530.02 and 16,954.12 is: 25,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.80 : 53,530.02 = 16,954.12 : x
  2. Step 2: Convert to fraction form
    35,687.80/53,530.02 = 16,954.12/x
  3. Step 3: Cross multiply
    35,687.80x = 53,530.02 × 16,954.12
  4. Step 4: Simplify right side
    35,687.80x = 907,554,382.68
  5. Step 5: Solve for x
    x = 907,554,382.68/35,687.80
  6. Step 6: Final answer
    x = 25,430.38

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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.