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Finding the Fourth Proportional to 72,908.06, 109,362.07 and 17,504.06

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Solution

The fourth proportional to 72,908.06, 109,362.07 and 17,504.06 is: 26,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908.06 : 109,362.07 = 17,504.06 : x
  2. Step 2: Convert to fraction form
    72,908.06/109,362.07 = 17,504.06/x
  3. Step 3: Cross multiply
    72,908.06x = 109,362.07 × 17,504.06
  4. Step 4: Simplify right side
    72,908.06x = 1,914,279,600.67
  5. Step 5: Solve for x
    x = 1,914,279,600.67/72,908.06
  6. Step 6: Final answer
    x = 26,256.08

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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.