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Finding the Fourth Proportional to 61,661.97, 92,495.54 and 19,541.13

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Solution

The fourth proportional to 61,661.97, 92,495.54 and 19,541.13 is: 29,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661.97 : 92,495.54 = 19,541.13 : x
  2. Step 2: Convert to fraction form
    61,661.97/92,495.54 = 19,541.13/x
  3. Step 3: Cross multiply
    61,661.97x = 92,495.54 × 19,541.13
  4. Step 4: Simplify right side
    61,661.97x = 1,807,467,371.56
  5. Step 5: Solve for x
    x = 1,807,467,371.56/61,661.97
  6. Step 6: Final answer
    x = 29,312.51

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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.