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Finding the Fourth Proportional to 17,802.06, 26,679.74 and 13,100.06

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Solution

The fourth proportional to 17,802.06, 26,679.74 and 13,100.06 is: 19,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.06 : 26,679.74 = 13,100.06 : x
  2. Step 2: Convert to fraction form
    17,802.06/26,679.74 = 13,100.06/x
  3. Step 3: Cross multiply
    17,802.06x = 26,679.74 × 13,100.06
  4. Step 4: Simplify right side
    17,802.06x = 349,505,995.89
  5. Step 5: Solve for x
    x = 349,505,995.89/17,802.06
  6. Step 6: Final answer
    x = 19,632.90

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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.