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Finding the Fourth Proportional to 72,906.06, 109,359.09 and 17,502.06

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Solution

The fourth proportional to 72,906.06, 109,359.09 and 17,502.06 is: 26,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,906.06 : 109,359.09 = 17,502.06 : x
  2. Step 2: Convert to fraction form
    72,906.06/109,359.09 = 17,502.06/x
  3. Step 3: Cross multiply
    72,906.06x = 109,359.09 × 17,502.06
  4. Step 4: Simplify right side
    72,906.06x = 1,914,009,354.73
  5. Step 5: Solve for x
    x = 1,914,009,354.73/72,906.06
  6. Step 6: Final answer
    x = 26,253.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.