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Finding the Fourth Proportional to 17,703.18, 26,550 and 5,219.52

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Solution

The fourth proportional to 17,703.18, 26,550 and 5,219.52 is: 7,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.18 : 26,550 = 5,219.52 : x
  2. Step 2: Convert to fraction form
    17,703.18/26,550 = 5,219.52/x
  3. Step 3: Cross multiply
    17,703.18x = 26,550 × 5,219.52
  4. Step 4: Simplify right side
    17,703.18x = 138,578,256
  5. Step 5: Solve for x
    x = 138,578,256/17,703.18
  6. Step 6: Final answer
    x = 7,827.87

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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.