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Finding the Fourth Proportional to 52,599.51, 78,899.97 and 17,539.19

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Solution

The fourth proportional to 52,599.51, 78,899.97 and 17,539.19 is: 26,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,599.51 : 78,899.97 = 17,539.19 : x
  2. Step 2: Convert to fraction form
    52,599.51/78,899.97 = 17,539.19/x
  3. Step 3: Cross multiply
    52,599.51x = 78,899.97 × 17,539.19
  4. Step 4: Simplify right side
    52,599.51x = 1,383,841,170.32
  5. Step 5: Solve for x
    x = 1,383,841,170.32/52,599.51
  6. Step 6: Final answer
    x = 26,309.01

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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.