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Finding the Fourth Proportional to 11,176.88, 16,743.72 and 8,710.88

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Solution

The fourth proportional to 11,176.88, 16,743.72 and 8,710.88 is: 13,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.88 : 16,743.72 = 8,710.88 : x
  2. Step 2: Convert to fraction form
    11,176.88/16,743.72 = 8,710.88/x
  3. Step 3: Cross multiply
    11,176.88x = 16,743.72 × 8,710.88
  4. Step 4: Simplify right side
    11,176.88x = 145,852,535.67
  5. Step 5: Solve for x
    x = 145,852,535.67/11,176.88
  6. Step 6: Final answer
    x = 13,049.49

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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.