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Finding the Fourth Proportional to 17,663.67, 26,479.17 and 7,662.06

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Solution

The fourth proportional to 17,663.67, 26,479.17 and 7,662.06 is: 11,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.67 : 26,479.17 = 7,662.06 : x
  2. Step 2: Convert to fraction form
    17,663.67/26,479.17 = 7,662.06/x
  3. Step 3: Cross multiply
    17,663.67x = 26,479.17 × 7,662.06
  4. Step 4: Simplify right side
    17,663.67x = 202,884,989.29
  5. Step 5: Solve for x
    x = 202,884,989.29/17,663.67
  6. Step 6: Final answer
    x = 11,486.00

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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.