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Finding the Fourth Proportional to 5,929.76, 8,896.74 and 2,642.54

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Solution

The fourth proportional to 5,929.76, 8,896.74 and 2,642.54 is: 3,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.76 : 8,896.74 = 2,642.54 : x
  2. Step 2: Convert to fraction form
    5,929.76/8,896.74 = 2,642.54/x
  3. Step 3: Cross multiply
    5,929.76x = 8,896.74 × 2,642.54
  4. Step 4: Simplify right side
    5,929.76x = 23,509,991.32
  5. Step 5: Solve for x
    x = 23,509,991.32/5,929.76
  6. Step 6: Final answer
    x = 3,964.75

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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.