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Finding the Fourth Proportional to 19,953.52, 27,528.12 and 11,452.56

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Solution

The fourth proportional to 19,953.52, 27,528.12 and 11,452.56 is: 15,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.52 : 27,528.12 = 11,452.56 : x
  2. Step 2: Convert to fraction form
    19,953.52/27,528.12 = 11,452.56/x
  3. Step 3: Cross multiply
    19,953.52x = 27,528.12 × 11,452.56
  4. Step 4: Simplify right side
    19,953.52x = 315,267,445.99
  5. Step 5: Solve for x
    x = 315,267,445.99/19,953.52
  6. Step 6: Final answer
    x = 15,800.09

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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.