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Finding the Fourth Proportional to 16,660.56, 24,991.28 and 7,295.74

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Solution

The fourth proportional to 16,660.56, 24,991.28 and 7,295.74 is: 10,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.56 : 24,991.28 = 7,295.74 : x
  2. Step 2: Convert to fraction form
    16,660.56/24,991.28 = 7,295.74/x
  3. Step 3: Cross multiply
    16,660.56x = 24,991.28 × 7,295.74
  4. Step 4: Simplify right side
    16,660.56x = 182,329,881.15
  5. Step 5: Solve for x
    x = 182,329,881.15/16,660.56
  6. Step 6: Final answer
    x = 10,943.80

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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.