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Finding the Fourth Proportional to 18,576.70, 25,637.64 and 10,617.41

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Solution

The fourth proportional to 18,576.70, 25,637.64 and 10,617.41 is: 14,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.70 : 25,637.64 = 10,617.41 : x
  2. Step 2: Convert to fraction form
    18,576.70/25,637.64 = 10,617.41/x
  3. Step 3: Cross multiply
    18,576.70x = 25,637.64 × 10,617.41
  4. Step 4: Simplify right side
    18,576.70x = 272,205,207.12
  5. Step 5: Solve for x
    x = 272,205,207.12/18,576.70
  6. Step 6: Final answer
    x = 14,653.05

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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.