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Finding the Fourth Proportional to 12,352.05, 18,528.08 and 11,704.05

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Solution

The fourth proportional to 12,352.05, 18,528.08 and 11,704.05 is: 17,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.05 : 18,528.08 = 11,704.05 : x
  2. Step 2: Convert to fraction form
    12,352.05/18,528.08 = 11,704.05/x
  3. Step 3: Cross multiply
    12,352.05x = 18,528.08 × 11,704.05
  4. Step 4: Simplify right side
    12,352.05x = 216,853,516.20
  5. Step 5: Solve for x
    x = 216,853,516.20/12,352.05
  6. Step 6: Final answer
    x = 17,556.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.