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Finding the Fourth Proportional to 5,971.99, 8,959.41 and 5,872.83

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Solution

The fourth proportional to 5,971.99, 8,959.41 and 5,872.83 is: 8,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.99 : 8,959.41 = 5,872.83 : x
  2. Step 2: Convert to fraction form
    5,971.99/8,959.41 = 5,872.83/x
  3. Step 3: Cross multiply
    5,971.99x = 8,959.41 × 5,872.83
  4. Step 4: Simplify right side
    5,971.99x = 52,617,091.83
  5. Step 5: Solve for x
    x = 52,617,091.83/5,971.99
  6. Step 6: Final answer
    x = 8,810.65

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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.