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Finding the Fourth Proportional to 100,660.38, 150,990.59 and 29,583.01

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Solution

The fourth proportional to 100,660.38, 150,990.59 and 29,583.01 is: 44,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,660.38 : 150,990.59 = 29,583.01 : x
  2. Step 2: Convert to fraction form
    100,660.38/150,990.59 = 29,583.01/x
  3. Step 3: Cross multiply
    100,660.38x = 150,990.59 × 29,583.01
  4. Step 4: Simplify right side
    100,660.38x = 4,466,756,207.83
  5. Step 5: Solve for x
    x = 4,466,756,207.83/100,660.38
  6. Step 6: Final answer
    x = 44,374.52

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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.