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Finding the Fourth Proportional to 56,645.88, 84,968.98 and 17,203.32

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Solution

The fourth proportional to 56,645.88, 84,968.98 and 17,203.32 is: 25,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.88 : 84,968.98 = 17,203.32 : x
  2. Step 2: Convert to fraction form
    56,645.88/84,968.98 = 17,203.32/x
  3. Step 3: Cross multiply
    56,645.88x = 84,968.98 × 17,203.32
  4. Step 4: Simplify right side
    56,645.88x = 1,461,748,553.01
  5. Step 5: Solve for x
    x = 1,461,748,553.01/56,645.88
  6. Step 6: Final answer
    x = 25,805.03

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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.