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Finding the Fourth Proportional to 61,504.80, 92,246.04 and 21,529.68

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Solution

The fourth proportional to 61,504.80, 92,246.04 and 21,529.68 is: 32,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,504.80 : 92,246.04 = 21,529.68 : x
  2. Step 2: Convert to fraction form
    61,504.80/92,246.04 = 21,529.68/x
  3. Step 3: Cross multiply
    61,504.80x = 92,246.04 × 21,529.68
  4. Step 4: Simplify right side
    61,504.80x = 1,986,027,722.47
  5. Step 5: Solve for x
    x = 1,986,027,722.47/61,504.80
  6. Step 6: Final answer
    x = 32,290.61

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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.