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Finding the Fourth Proportional to 25,932.49, 38,900.37 and 8,404.09

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Solution

The fourth proportional to 25,932.49, 38,900.37 and 8,404.09 is: 12,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.49 : 38,900.37 = 8,404.09 : x
  2. Step 2: Convert to fraction form
    25,932.49/38,900.37 = 8,404.09/x
  3. Step 3: Cross multiply
    25,932.49x = 38,900.37 × 8,404.09
  4. Step 4: Simplify right side
    25,932.49x = 326,922,210.51
  5. Step 5: Solve for x
    x = 326,922,210.51/25,932.49
  6. Step 6: Final answer
    x = 12,606.66

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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.