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Finding the Fourth Proportional to 17,672.72, 26,512.48 and 5,829.92

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Solution

The fourth proportional to 17,672.72, 26,512.48 and 5,829.92 is: 8,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.72 : 26,512.48 = 5,829.92 : x
  2. Step 2: Convert to fraction form
    17,672.72/26,512.48 = 5,829.92/x
  3. Step 3: Cross multiply
    17,672.72x = 26,512.48 × 5,829.92
  4. Step 4: Simplify right side
    17,672.72x = 154,565,637.40
  5. Step 5: Solve for x
    x = 154,565,637.40/17,672.72
  6. Step 6: Final answer
    x = 8,746.00

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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.