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Finding the Fourth Proportional to 11,907.52, 16,433.20 and 6,602.82

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Solution

The fourth proportional to 11,907.52, 16,433.20 and 6,602.82 is: 9,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.52 : 16,433.20 = 6,602.82 : x
  2. Step 2: Convert to fraction form
    11,907.52/16,433.20 = 6,602.82/x
  3. Step 3: Cross multiply
    11,907.52x = 16,433.20 × 6,602.82
  4. Step 4: Simplify right side
    11,907.52x = 108,505,461.62
  5. Step 5: Solve for x
    x = 108,505,461.62/11,907.52
  6. Step 6: Final answer
    x = 9,112.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.