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Finding the Fourth Proportional to 23,993.10, 35,989.65 and 12,905.01

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Solution

The fourth proportional to 23,993.10, 35,989.65 and 12,905.01 is: 19,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.10 : 35,989.65 = 12,905.01 : x
  2. Step 2: Convert to fraction form
    23,993.10/35,989.65 = 12,905.01/x
  3. Step 3: Cross multiply
    23,993.10x = 35,989.65 × 12,905.01
  4. Step 4: Simplify right side
    23,993.10x = 464,446,793.15
  5. Step 5: Solve for x
    x = 464,446,793.15/23,993.10
  6. Step 6: Final answer
    x = 19,357.52

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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.