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Finding the Fourth Proportional to 12,342.89, 17,033.16 and 6,753.89

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Solution

The fourth proportional to 12,342.89, 17,033.16 and 6,753.89 is: 9,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.89 : 17,033.16 = 6,753.89 : x
  2. Step 2: Convert to fraction form
    12,342.89/17,033.16 = 6,753.89/x
  3. Step 3: Cross multiply
    12,342.89x = 17,033.16 × 6,753.89
  4. Step 4: Simplify right side
    12,342.89x = 115,040,088.99
  5. Step 5: Solve for x
    x = 115,040,088.99/12,342.89
  6. Step 6: Final answer
    x = 9,320.35

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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.