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Finding the Fourth Proportional to 18,596.79, 25,651.08 and 11,526.71

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Solution

The fourth proportional to 18,596.79, 25,651.08 and 11,526.71 is: 15,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.79 : 25,651.08 = 11,526.71 : x
  2. Step 2: Convert to fraction form
    18,596.79/25,651.08 = 11,526.71/x
  3. Step 3: Cross multiply
    18,596.79x = 25,651.08 × 11,526.71
  4. Step 4: Simplify right side
    18,596.79x = 295,672,432.09
  5. Step 5: Solve for x
    x = 295,672,432.09/18,596.79
  6. Step 6: Final answer
    x = 15,899.11

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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.