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Finding the Fourth Proportional to 25,738.56, 38,535.02 and 16,355.32

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Solution

The fourth proportional to 25,738.56, 38,535.02 and 16,355.32 is: 24,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.56 : 38,535.02 = 16,355.32 : x
  2. Step 2: Convert to fraction form
    25,738.56/38,535.02 = 16,355.32/x
  3. Step 3: Cross multiply
    25,738.56x = 38,535.02 × 16,355.32
  4. Step 4: Simplify right side
    25,738.56x = 630,252,624.19
  5. Step 5: Solve for x
    x = 630,252,624.19/25,738.56
  6. Step 6: Final answer
    x = 24,486.71

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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.