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Finding the Fourth Proportional to 12,344.73, 17,036.16 and 7,039.41

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Solution

The fourth proportional to 12,344.73, 17,036.16 and 7,039.41 is: 9,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.73 : 17,036.16 = 7,039.41 : x
  2. Step 2: Convert to fraction form
    12,344.73/17,036.16 = 7,039.41/x
  3. Step 3: Cross multiply
    12,344.73x = 17,036.16 × 7,039.41
  4. Step 4: Simplify right side
    12,344.73x = 119,924,515.07
  5. Step 5: Solve for x
    x = 119,924,515.07/12,344.73
  6. Step 6: Final answer
    x = 9,714.63

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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.