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Finding the Fourth Proportional to 10,756.85, 14,843.96 and 5,977.09

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Solution

The fourth proportional to 10,756.85, 14,843.96 and 5,977.09 is: 8,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.85 : 14,843.96 = 5,977.09 : x
  2. Step 2: Convert to fraction form
    10,756.85/14,843.96 = 5,977.09/x
  3. Step 3: Cross multiply
    10,756.85x = 14,843.96 × 5,977.09
  4. Step 4: Simplify right side
    10,756.85x = 88,723,695.96
  5. Step 5: Solve for x
    x = 88,723,695.96/10,756.85
  6. Step 6: Final answer
    x = 8,248.11

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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.