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Finding the Fourth Proportional to 11,411.54, 17,119.72 and 4,295.82

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Solution

The fourth proportional to 11,411.54, 17,119.72 and 4,295.82 is: 6,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.54 : 17,119.72 = 4,295.82 : x
  2. Step 2: Convert to fraction form
    11,411.54/17,119.72 = 4,295.82/x
  3. Step 3: Cross multiply
    11,411.54x = 17,119.72 × 4,295.82
  4. Step 4: Simplify right side
    11,411.54x = 73,543,235.57
  5. Step 5: Solve for x
    x = 73,543,235.57/11,411.54
  6. Step 6: Final answer
    x = 6,444.64

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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.