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Finding the Fourth Proportional to 12,340.58, 17,029.94 and 6,675.32

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Solution

The fourth proportional to 12,340.58, 17,029.94 and 6,675.32 is: 9,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.58 : 17,029.94 = 6,675.32 : x
  2. Step 2: Convert to fraction form
    12,340.58/17,029.94 = 6,675.32/x
  3. Step 3: Cross multiply
    12,340.58x = 17,029.94 × 6,675.32
  4. Step 4: Simplify right side
    12,340.58x = 113,680,197.24
  5. Step 5: Solve for x
    x = 113,680,197.24/12,340.58
  6. Step 6: Final answer
    x = 9,211.90

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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.