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Finding the Fourth Proportional to 17,150.64, 23,641.14 and 15,775.92

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Solution

The fourth proportional to 17,150.64, 23,641.14 and 15,775.92 is: 21,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.64 : 23,641.14 = 15,775.92 : x
  2. Step 2: Convert to fraction form
    17,150.64/23,641.14 = 15,775.92/x
  3. Step 3: Cross multiply
    17,150.64x = 23,641.14 × 15,775.92
  4. Step 4: Simplify right side
    17,150.64x = 372,960,733.35
  5. Step 5: Solve for x
    x = 372,960,733.35/17,150.64
  6. Step 6: Final answer
    x = 21,746.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.