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Finding the Fourth Proportional to 25,839.99, 35,653.10 and 14,661.99

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Solution

The fourth proportional to 25,839.99, 35,653.10 and 14,661.99 is: 20,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.99 : 35,653.10 = 14,661.99 : x
  2. Step 2: Convert to fraction form
    25,839.99/35,653.10 = 14,661.99/x
  3. Step 3: Cross multiply
    25,839.99x = 35,653.10 × 14,661.99
  4. Step 4: Simplify right side
    25,839.99x = 522,745,322.36
  5. Step 5: Solve for x
    x = 522,745,322.36/25,839.99
  6. Step 6: Final answer
    x = 20,230.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.