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Finding the Fourth Proportional to 25,991.99, 35,868.92 and 14,055.22

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Solution

The fourth proportional to 25,991.99, 35,868.92 and 14,055.22 is: 19,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.99 : 35,868.92 = 14,055.22 : x
  2. Step 2: Convert to fraction form
    25,991.99/35,868.92 = 14,055.22/x
  3. Step 3: Cross multiply
    25,991.99x = 35,868.92 × 14,055.22
  4. Step 4: Simplify right side
    25,991.99x = 504,145,561.76
  5. Step 5: Solve for x
    x = 504,145,561.76/25,991.99
  6. Step 6: Final answer
    x = 19,396.19

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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.