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Finding the Fourth Proportional to 8,652.32, 11,932.23 and 5,775.99

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Solution

The fourth proportional to 8,652.32, 11,932.23 and 5,775.99 is: 7,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.32 : 11,932.23 = 5,775.99 : x
  2. Step 2: Convert to fraction form
    8,652.32/11,932.23 = 5,775.99/x
  3. Step 3: Cross multiply
    8,652.32x = 11,932.23 × 5,775.99
  4. Step 4: Simplify right side
    8,652.32x = 68,920,441.16
  5. Step 5: Solve for x
    x = 68,920,441.16/8,652.32
  6. Step 6: Final answer
    x = 7,965.54

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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.