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Finding the Fourth Proportional to 8,352.83, 12,433.79 and 8,228.25

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Solution

The fourth proportional to 8,352.83, 12,433.79 and 8,228.25 is: 12,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.83 : 12,433.79 = 8,228.25 : x
  2. Step 2: Convert to fraction form
    8,352.83/12,433.79 = 8,228.25/x
  3. Step 3: Cross multiply
    8,352.83x = 12,433.79 × 8,228.25
  4. Step 4: Simplify right side
    8,352.83x = 102,308,353.14
  5. Step 5: Solve for x
    x = 102,308,353.14/8,352.83
  6. Step 6: Final answer
    x = 12,248.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.