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Finding the Fourth Proportional to 74,668.60, 112,022.70 and 32,530.60

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Solution

The fourth proportional to 74,668.60, 112,022.70 and 32,530.60 is: 48,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.60 : 112,022.70 = 32,530.60 : x
  2. Step 2: Convert to fraction form
    74,668.60/112,022.70 = 32,530.60/x
  3. Step 3: Cross multiply
    74,668.60x = 112,022.70 × 32,530.60
  4. Step 4: Simplify right side
    74,668.60x = 3,644,165,644.62
  5. Step 5: Solve for x
    x = 3,644,165,644.62/74,668.60
  6. Step 6: Final answer
    x = 48,804.53

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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.