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Finding the Fourth Proportional to 12,343.59, 17,029.95 and 7,309.44

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Solution

The fourth proportional to 12,343.59, 17,029.95 and 7,309.44 is: 10,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.59 : 17,029.95 = 7,309.44 : x
  2. Step 2: Convert to fraction form
    12,343.59/17,029.95 = 7,309.44/x
  3. Step 3: Cross multiply
    12,343.59x = 17,029.95 × 7,309.44
  4. Step 4: Simplify right side
    12,343.59x = 124,479,370.32
  5. Step 5: Solve for x
    x = 124,479,370.32/12,343.59
  6. Step 6: Final answer
    x = 10,084.54

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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.