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Finding the Fourth Proportional to 12,592.36, 17,377.68 and 7,003.36

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Solution

The fourth proportional to 12,592.36, 17,377.68 and 7,003.36 is: 9,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.36 : 17,377.68 = 7,003.36 : x
  2. Step 2: Convert to fraction form
    12,592.36/17,377.68 = 7,003.36/x
  3. Step 3: Cross multiply
    12,592.36x = 17,377.68 × 7,003.36
  4. Step 4: Simplify right side
    12,592.36x = 121,702,149.00
  5. Step 5: Solve for x
    x = 121,702,149.00/12,592.36
  6. Step 6: Final answer
    x = 9,664.76

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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.