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Finding the Fourth Proportional to 25,950, 38,952.72 and 11,166.24

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Solution

The fourth proportional to 25,950, 38,952.72 and 11,166.24 is: 16,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950 : 38,952.72 = 11,166.24 : x
  2. Step 2: Convert to fraction form
    25,950/38,952.72 = 11,166.24/x
  3. Step 3: Cross multiply
    25,950x = 38,952.72 × 11,166.24
  4. Step 4: Simplify right side
    25,950x = 434,955,420.17
  5. Step 5: Solve for x
    x = 434,955,420.17/25,950
  6. Step 6: Final answer
    x = 16,761.29

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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.