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Finding the Fourth Proportional to 18,474.35, 25,496.47 and 10,923.12

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Solution

The fourth proportional to 18,474.35, 25,496.47 and 10,923.12 is: 15,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.35 : 25,496.47 = 10,923.12 : x
  2. Step 2: Convert to fraction form
    18,474.35/25,496.47 = 10,923.12/x
  3. Step 3: Cross multiply
    18,474.35x = 25,496.47 × 10,923.12
  4. Step 4: Simplify right side
    18,474.35x = 278,501,015.04
  5. Step 5: Solve for x
    x = 278,501,015.04/18,474.35
  6. Step 6: Final answer
    x = 15,075.01

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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.