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Finding the Fourth Proportional to 8,448.48, 12,674.40 and 3,254.40

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Solution

The fourth proportional to 8,448.48, 12,674.40 and 3,254.40 is: 4,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.48 : 12,674.40 = 3,254.40 : x
  2. Step 2: Convert to fraction form
    8,448.48/12,674.40 = 3,254.40/x
  3. Step 3: Cross multiply
    8,448.48x = 12,674.40 × 3,254.40
  4. Step 4: Simplify right side
    8,448.48x = 41,247,567.36
  5. Step 5: Solve for x
    x = 41,247,567.36/8,448.48
  6. Step 6: Final answer
    x = 4,882.25

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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.