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Finding the Fourth Proportional to 11,104.88, 16,657.31 and 2,896.88

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Solution

The fourth proportional to 11,104.88, 16,657.31 and 2,896.88 is: 4,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.88 : 16,657.31 = 2,896.88 : x
  2. Step 2: Convert to fraction form
    11,104.88/16,657.31 = 2,896.88/x
  3. Step 3: Cross multiply
    11,104.88x = 16,657.31 × 2,896.88
  4. Step 4: Simplify right side
    11,104.88x = 48,254,152.15
  5. Step 5: Solve for x
    x = 48,254,152.15/11,104.88
  6. Step 6: Final answer
    x = 4,345.31

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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.