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Finding the Fourth Proportional to 17,702.80, 26,548.01 and 5,219.51

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Solution

The fourth proportional to 17,702.80, 26,548.01 and 5,219.51 is: 7,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.80 : 26,548.01 = 5,219.51 : x
  2. Step 2: Convert to fraction form
    17,702.80/26,548.01 = 5,219.51/x
  3. Step 3: Cross multiply
    17,702.80x = 26,548.01 × 5,219.51
  4. Step 4: Simplify right side
    17,702.80x = 138,567,444.84
  5. Step 5: Solve for x
    x = 138,567,444.84/17,702.80
  6. Step 6: Final answer
    x = 7,827.43

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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.