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Finding the Fourth Proportional to 12,236.59, 16,884.88 and 7,752.43

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Solution

The fourth proportional to 12,236.59, 16,884.88 and 7,752.43 is: 10,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.59 : 16,884.88 = 7,752.43 : x
  2. Step 2: Convert to fraction form
    12,236.59/16,884.88 = 7,752.43/x
  3. Step 3: Cross multiply
    12,236.59x = 16,884.88 × 7,752.43
  4. Step 4: Simplify right side
    12,236.59x = 130,898,850.26
  5. Step 5: Solve for x
    x = 130,898,850.26/12,236.59
  6. Step 6: Final answer
    x = 10,697.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.