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Finding the Fourth Proportional to 18,551.96, 25,603.02 and 11,482.46

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Solution

The fourth proportional to 18,551.96, 25,603.02 and 11,482.46 is: 15,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.96 : 25,603.02 = 11,482.46 : x
  2. Step 2: Convert to fraction form
    18,551.96/25,603.02 = 11,482.46/x
  3. Step 3: Cross multiply
    18,551.96x = 25,603.02 × 11,482.46
  4. Step 4: Simplify right side
    18,551.96x = 293,985,653.03
  5. Step 5: Solve for x
    x = 293,985,653.03/18,551.96
  6. Step 6: Final answer
    x = 15,846.61

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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.