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Finding the Fourth Proportional to 8,253.02, 11,389 and 4,667.91

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Solution

The fourth proportional to 8,253.02, 11,389 and 4,667.91 is: 6,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.02 : 11,389 = 4,667.91 : x
  2. Step 2: Convert to fraction form
    8,253.02/11,389 = 4,667.91/x
  3. Step 3: Cross multiply
    8,253.02x = 11,389 × 4,667.91
  4. Step 4: Simplify right side
    8,253.02x = 53,162,826.99
  5. Step 5: Solve for x
    x = 53,162,826.99/8,253.02
  6. Step 6: Final answer
    x = 6,441.62

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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.