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Finding the Fourth Proportional to 7,888.86, 11,824.89 and 5,935.02

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Solution

The fourth proportional to 7,888.86, 11,824.89 and 5,935.02 is: 8,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.86 : 11,824.89 = 5,935.02 : x
  2. Step 2: Convert to fraction form
    7,888.86/11,824.89 = 5,935.02/x
  3. Step 3: Cross multiply
    7,888.86x = 11,824.89 × 5,935.02
  4. Step 4: Simplify right side
    7,888.86x = 70,180,958.65
  5. Step 5: Solve for x
    x = 70,180,958.65/7,888.86
  6. Step 6: Final answer
    x = 8,896.21

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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.