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Finding the Fourth Proportional to 74,657.50, 111,930.66 and 32,529.60

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Solution

The fourth proportional to 74,657.50, 111,930.66 and 32,529.60 is: 48,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657.50 : 111,930.66 = 32,529.60 : x
  2. Step 2: Convert to fraction form
    74,657.50/111,930.66 = 32,529.60/x
  3. Step 3: Cross multiply
    74,657.50x = 111,930.66 × 32,529.60
  4. Step 4: Simplify right side
    74,657.50x = 3,641,059,597.54
  5. Step 5: Solve for x
    x = 3,641,059,597.54/74,657.50
  6. Step 6: Final answer
    x = 48,770.18

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1.5x scale

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.