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Finding the Fourth Proportional to 27,009.70, 40,514.55 and 11,425.30

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Solution

The fourth proportional to 27,009.70, 40,514.55 and 11,425.30 is: 17,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.70 : 40,514.55 = 11,425.30 : x
  2. Step 2: Convert to fraction form
    27,009.70/40,514.55 = 11,425.30/x
  3. Step 3: Cross multiply
    27,009.70x = 40,514.55 × 11,425.30
  4. Step 4: Simplify right side
    27,009.70x = 462,890,888.12
  5. Step 5: Solve for x
    x = 462,890,888.12/27,009.70
  6. Step 6: Final answer
    x = 17,137.95

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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.