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Finding the Fourth Proportional to 61,586.60, 92,371.94 and 19,470.92

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Solution

The fourth proportional to 61,586.60, 92,371.94 and 19,470.92 is: 29,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.60 : 92,371.94 = 19,470.92 : x
  2. Step 2: Convert to fraction form
    61,586.60/92,371.94 = 19,470.92/x
  3. Step 3: Cross multiply
    61,586.60x = 92,371.94 × 19,470.92
  4. Step 4: Simplify right side
    61,586.60x = 1,798,566,653.98
  5. Step 5: Solve for x
    x = 1,798,566,653.98/61,586.60
  6. Step 6: Final answer
    x = 29,203.86

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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.