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Finding the Fourth Proportional to 25,658.06, 38,491.12 and 10,867.06

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Solution

The fourth proportional to 25,658.06, 38,491.12 and 10,867.06 is: 16,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.06 : 38,491.12 = 10,867.06 : x
  2. Step 2: Convert to fraction form
    25,658.06/38,491.12 = 10,867.06/x
  3. Step 3: Cross multiply
    25,658.06x = 38,491.12 × 10,867.06
  4. Step 4: Simplify right side
    25,658.06x = 418,285,310.51
  5. Step 5: Solve for x
    x = 418,285,310.51/25,658.06
  6. Step 6: Final answer
    x = 16,302.30

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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.