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Finding the Fourth Proportional to 17,666.64, 26,509.80 and 15,081.36

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Solution

The fourth proportional to 17,666.64, 26,509.80 and 15,081.36 is: 22,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.64 : 26,509.80 = 15,081.36 : x
  2. Step 2: Convert to fraction form
    17,666.64/26,509.80 = 15,081.36/x
  3. Step 3: Cross multiply
    17,666.64x = 26,509.80 × 15,081.36
  4. Step 4: Simplify right side
    17,666.64x = 399,803,837.33
  5. Step 5: Solve for x
    x = 399,803,837.33/17,666.64
  6. Step 6: Final answer
    x = 22,630.44

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