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Finding the Fourth Proportional to 12,340.88, 17,030.82 and 6,751.88

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Solution

The fourth proportional to 12,340.88, 17,030.82 and 6,751.88 is: 9,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.88 : 17,030.82 = 6,751.88 : x
  2. Step 2: Convert to fraction form
    12,340.88/17,030.82 = 6,751.88/x
  3. Step 3: Cross multiply
    12,340.88x = 17,030.82 × 6,751.88
  4. Step 4: Simplify right side
    12,340.88x = 114,990,052.94
  5. Step 5: Solve for x
    x = 114,990,052.94/12,340.88
  6. Step 6: Final answer
    x = 9,317.82

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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.