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Finding the Fourth Proportional to 61,576.70, 92,351.80 and 19,460.02

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Solution

The fourth proportional to 61,576.70, 92,351.80 and 19,460.02 is: 29,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,576.70 : 92,351.80 = 19,460.02 : x
  2. Step 2: Convert to fraction form
    61,576.70/92,351.80 = 19,460.02/x
  3. Step 3: Cross multiply
    61,576.70x = 92,351.80 × 19,460.02
  4. Step 4: Simplify right side
    61,576.70x = 1,797,167,875.04
  5. Step 5: Solve for x
    x = 1,797,167,875.04/61,576.70
  6. Step 6: Final answer
    x = 29,185.84

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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.