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Finding the Fourth Proportional to 12,349.68, 17,042.58 and 6,760.68

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Solution

The fourth proportional to 12,349.68, 17,042.58 and 6,760.68 is: 9,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.68 : 17,042.58 = 6,760.68 : x
  2. Step 2: Convert to fraction form
    12,349.68/17,042.58 = 6,760.68/x
  3. Step 3: Cross multiply
    12,349.68x = 17,042.58 × 6,760.68
  4. Step 4: Simplify right side
    12,349.68x = 115,219,429.75
  5. Step 5: Solve for x
    x = 115,219,429.75/12,349.68
  6. Step 6: Final answer
    x = 9,329.75

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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.