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Finding the Fourth Proportional to 27,634.40, 41,402.80 and 26,720.80

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Solution

The fourth proportional to 27,634.40, 41,402.80 and 26,720.80 is: 40,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.40 : 41,402.80 = 26,720.80 : x
  2. Step 2: Convert to fraction form
    27,634.40/41,402.80 = 26,720.80/x
  3. Step 3: Cross multiply
    27,634.40x = 41,402.80 × 26,720.80
  4. Step 4: Simplify right side
    27,634.40x = 1,106,315,938.24
  5. Step 5: Solve for x
    x = 1,106,315,938.24/27,634.40
  6. Step 6: Final answer
    x = 40,034.01

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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.