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Finding the Fourth Proportional to 11,479.98, 17,203.54 and 6,539.41

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Solution

The fourth proportional to 11,479.98, 17,203.54 and 6,539.41 is: 9,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.98 : 17,203.54 = 6,539.41 : x
  2. Step 2: Convert to fraction form
    11,479.98/17,203.54 = 6,539.41/x
  3. Step 3: Cross multiply
    11,479.98x = 17,203.54 × 6,539.41
  4. Step 4: Simplify right side
    11,479.98x = 112,501,070.71
  5. Step 5: Solve for x
    x = 112,501,070.71/11,479.98
  6. Step 6: Final answer
    x = 9,799.76

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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.