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Finding the Fourth Proportional to 8,993.28, 13,491.06 and 4,827.57

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Solution

The fourth proportional to 8,993.28, 13,491.06 and 4,827.57 is: 7,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.28 : 13,491.06 = 4,827.57 : x
  2. Step 2: Convert to fraction form
    8,993.28/13,491.06 = 4,827.57/x
  3. Step 3: Cross multiply
    8,993.28x = 13,491.06 × 4,827.57
  4. Step 4: Simplify right side
    8,993.28x = 65,128,967.83
  5. Step 5: Solve for x
    x = 65,128,967.83/8,993.28
  6. Step 6: Final answer
    x = 7,241.96

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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.