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Finding the Fourth Proportional to 13,296.52, 18,345.06 and 7,992.52

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Solution

The fourth proportional to 13,296.52, 18,345.06 and 7,992.52 is: 11,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.52 : 18,345.06 = 7,992.52 : x
  2. Step 2: Convert to fraction form
    13,296.52/18,345.06 = 7,992.52/x
  3. Step 3: Cross multiply
    13,296.52x = 18,345.06 × 7,992.52
  4. Step 4: Simplify right side
    13,296.52x = 146,623,258.95
  5. Step 5: Solve for x
    x = 146,623,258.95/13,296.52
  6. Step 6: Final answer
    x = 11,027.19

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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.