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Finding the Fourth Proportional to 18,504.62, 25,536.03 and 11,333.40

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Solution

The fourth proportional to 18,504.62, 25,536.03 and 11,333.40 is: 15,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.62 : 25,536.03 = 11,333.40 : x
  2. Step 2: Convert to fraction form
    18,504.62/25,536.03 = 11,333.40/x
  3. Step 3: Cross multiply
    18,504.62x = 25,536.03 × 11,333.40
  4. Step 4: Simplify right side
    18,504.62x = 289,409,967.89
  5. Step 5: Solve for x
    x = 289,409,967.89/18,504.62
  6. Step 6: Final answer
    x = 15,639.88

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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.