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Finding the Fourth Proportional to 61,979.37, 92,955.07 and 17,605.14

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Solution

The fourth proportional to 61,979.37, 92,955.07 and 17,605.14 is: 26,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.37 : 92,955.07 = 17,605.14 : x
  2. Step 2: Convert to fraction form
    61,979.37/92,955.07 = 17,605.14/x
  3. Step 3: Cross multiply
    61,979.37x = 92,955.07 × 17,605.14
  4. Step 4: Simplify right side
    61,979.37x = 1,636,487,021.06
  5. Step 5: Solve for x
    x = 1,636,487,021.06/61,979.37
  6. Step 6: Final answer
    x = 26,403.74

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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.