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Finding the Fourth Proportional to 23,982.93, 35,990.82 and 8,400.60

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Solution

The fourth proportional to 23,982.93, 35,990.82 and 8,400.60 is: 12,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,982.93 : 35,990.82 = 8,400.60 : x
  2. Step 2: Convert to fraction form
    23,982.93/35,990.82 = 8,400.60/x
  3. Step 3: Cross multiply
    23,982.93x = 35,990.82 × 8,400.60
  4. Step 4: Simplify right side
    23,982.93x = 302,344,482.49
  5. Step 5: Solve for x
    x = 302,344,482.49/23,982.93
  6. Step 6: Final answer
    x = 12,606.65

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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.