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Finding the Fourth Proportional to 19,992.17, 29,985.17 and 6,841.52

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Solution

The fourth proportional to 19,992.17, 29,985.17 and 6,841.52 is: 10,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.17 : 29,985.17 = 6,841.52 : x
  2. Step 2: Convert to fraction form
    19,992.17/29,985.17 = 6,841.52/x
  3. Step 3: Cross multiply
    19,992.17x = 29,985.17 × 6,841.52
  4. Step 4: Simplify right side
    19,992.17x = 205,144,140.26
  5. Step 5: Solve for x
    x = 205,144,140.26/19,992.17
  6. Step 6: Final answer
    x = 10,261.22

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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.