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Finding the Fourth Proportional to 16,490.75, 24,736.13 and 7,256.75

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Solution

The fourth proportional to 16,490.75, 24,736.13 and 7,256.75 is: 10,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.75 : 24,736.13 = 7,256.75 : x
  2. Step 2: Convert to fraction form
    16,490.75/24,736.13 = 7,256.75/x
  3. Step 3: Cross multiply
    16,490.75x = 24,736.13 × 7,256.75
  4. Step 4: Simplify right side
    16,490.75x = 179,503,875.09
  5. Step 5: Solve for x
    x = 179,503,875.09/16,490.75
  6. Step 6: Final answer
    x = 10,885.13

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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.