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Finding the Fourth Proportional to 27,776.88, 41,664.48 and 7,000.56

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Solution

The fourth proportional to 27,776.88, 41,664.48 and 7,000.56 is: 10,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.88 : 41,664.48 = 7,000.56 : x
  2. Step 2: Convert to fraction form
    27,776.88/41,664.48 = 7,000.56/x
  3. Step 3: Cross multiply
    27,776.88x = 41,664.48 × 7,000.56
  4. Step 4: Simplify right side
    27,776.88x = 291,674,692.11
  5. Step 5: Solve for x
    x = 291,674,692.11/27,776.88
  6. Step 6: Final answer
    x = 10,500.63

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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.