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Finding the Fourth Proportional to 25,991.68, 35,867.16 and 14,660.84

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Solution

The fourth proportional to 25,991.68, 35,867.16 and 14,660.84 is: 20,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.68 : 35,867.16 = 14,660.84 : x
  2. Step 2: Convert to fraction form
    25,991.68/35,867.16 = 14,660.84/x
  3. Step 3: Cross multiply
    25,991.68x = 35,867.16 × 14,660.84
  4. Step 4: Simplify right side
    25,991.68x = 525,842,694.01
  5. Step 5: Solve for x
    x = 525,842,694.01/25,991.68
  6. Step 6: Final answer
    x = 20,231.19

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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.