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Finding the Fourth Proportional to 27,125.88, 40,710.89 and 13,982.01

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Solution

The fourth proportional to 27,125.88, 40,710.89 and 13,982.01 is: 20,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.88 : 40,710.89 = 13,982.01 : x
  2. Step 2: Convert to fraction form
    27,125.88/40,710.89 = 13,982.01/x
  3. Step 3: Cross multiply
    27,125.88x = 40,710.89 × 13,982.01
  4. Step 4: Simplify right side
    27,125.88x = 569,219,797.62
  5. Step 5: Solve for x
    x = 569,219,797.62/27,125.88
  6. Step 6: Final answer
    x = 20,984.38

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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.