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Finding the Fourth Proportional to 9,252.48, 13,928.64 and 8,448.96

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Solution

The fourth proportional to 9,252.48, 13,928.64 and 8,448.96 is: 12,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.48 : 13,928.64 = 8,448.96 : x
  2. Step 2: Convert to fraction form
    9,252.48/13,928.64 = 8,448.96/x
  3. Step 3: Cross multiply
    9,252.48x = 13,928.64 × 8,448.96
  4. Step 4: Simplify right side
    9,252.48x = 117,682,522.21
  5. Step 5: Solve for x
    x = 117,682,522.21/9,252.48
  6. Step 6: Final answer
    x = 12,719.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.