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Finding the Fourth Proportional to 25,642.58, 38,460.02 and 8,110.13

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Solution

The fourth proportional to 25,642.58, 38,460.02 and 8,110.13 is: 12,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.58 : 38,460.02 = 8,110.13 : x
  2. Step 2: Convert to fraction form
    25,642.58/38,460.02 = 8,110.13/x
  3. Step 3: Cross multiply
    25,642.58x = 38,460.02 × 8,110.13
  4. Step 4: Simplify right side
    25,642.58x = 311,915,529.15
  5. Step 5: Solve for x
    x = 311,915,529.15/25,642.58
  6. Step 6: Final answer
    x = 12,163.97

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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.