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Finding the Fourth Proportional to 61,679.65, 92,522.78 and 19,562.93

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Solution

The fourth proportional to 61,679.65, 92,522.78 and 19,562.93 is: 29,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,679.65 : 92,522.78 = 19,562.93 : x
  2. Step 2: Convert to fraction form
    61,679.65/92,522.78 = 19,562.93/x
  3. Step 3: Cross multiply
    61,679.65x = 92,522.78 × 19,562.93
  4. Step 4: Simplify right side
    61,679.65x = 1,810,016,668.55
  5. Step 5: Solve for x
    x = 1,810,016,668.55/61,679.65
  6. Step 6: Final answer
    x = 29,345.44

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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.