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Finding the Fourth Proportional to 12,252.48, 18,346.08 and 8,364.48

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Solution

The fourth proportional to 12,252.48, 18,346.08 and 8,364.48 is: 12,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.48 : 18,346.08 = 8,364.48 : x
  2. Step 2: Convert to fraction form
    12,252.48/18,346.08 = 8,364.48/x
  3. Step 3: Cross multiply
    12,252.48x = 18,346.08 × 8,364.48
  4. Step 4: Simplify right side
    12,252.48x = 153,455,419.24
  5. Step 5: Solve for x
    x = 153,455,419.24/12,252.48
  6. Step 6: Final answer
    x = 12,524.44

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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.